Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/polly/test/ScopDetect/aliasing_parametric_simple_1.ll

@@ -0,0 +1,35 @@
+; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
+;
+; CHECK: Valid Region for Scop:
+;
+;    void jd(int *A, int *B, int c) {
+;      for (int i = 0; i < 1024; i++)
+;        A[i] = B[c];
+;    }
+;
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @jd(i32* %A, i32* %B, i32 %c) {
+entry:
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc, %entry
+  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
+  %exitcond = icmp ne i64 %indvars.iv, 1024
+  br i1 %exitcond, label %for.body, label %for.end
+
+for.body:                                         ; preds = %for.cond
+  %idxprom = sext i32 %c to i64
+  %arrayidx = getelementptr inbounds i32, i32* %B, i64 %idxprom
+  %tmp = load i32, i32* %arrayidx, align 4
+  %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+  store i32 %tmp, i32* %arrayidx2, align 4
+  br label %for.inc
+
+for.inc:                                          ; preds = %for.body
+  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+  br label %for.cond
+
+for.end:                                          ; preds = %for.cond
+  ret void
+}

external/llvm-project/polly/test/ScopDetect/aliasing_parametric_simple_2.ll

@@ -0,0 +1,39 @@
+; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
+;
+; CHECK: Valid Region for Scop:
+;
+;    void jd(int *A, int *B, int c) {
+;      for (int i = 0; i < 1024; i++)
+;        A[i] = B[c - 10] + B[5];
+;    }
+;
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @jd(i32* %A, i32* %B, i32 %c) {
+entry:
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc, %entry
+  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
+  %exitcond = icmp ne i64 %indvars.iv, 1024
+  br i1 %exitcond, label %for.body, label %for.end
+
+for.body:                                         ; preds = %for.cond
+  %sub = add nsw i32 %c, -10
+  %idxprom = sext i32 %sub to i64
+  %arrayidx = getelementptr inbounds i32, i32* %B, i64 %idxprom
+  %tmp = load i32, i32* %arrayidx, align 4
+  %arrayidx1 = getelementptr inbounds i32, i32* %B, i64 5
+  %tmp1 = load i32, i32* %arrayidx1, align 4
+  %add = add nsw i32 %tmp, %tmp1
+  %arrayidx3 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+  store i32 %add, i32* %arrayidx3, align 4
+  br label %for.inc
+
+for.inc:                                          ; preds = %for.body
+  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+  br label %for.cond
+
+for.end:                                          ; preds = %for.cond
+  ret void
+}

external/llvm-project/polly/test/ScopDetect/aliasing_simple_1.ll

@@ -0,0 +1,33 @@
+; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
+;
+; CHECK: Valid Region for Scop:
+;
+;    void jd(int *A, int *B) {
+;      for (int i = 0; i < 1024; i++)
+;        A[i] = B[0];
+;    }
+;
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @jd(i32* %A, i32* %B) {
+entry:
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc, %entry
+  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
+  %exitcond = icmp ne i64 %indvars.iv, 1024
+  br i1 %exitcond, label %for.body, label %for.end
+
+for.body:                                         ; preds = %for.cond
+  %tmp = load i32, i32* %B, align 4
+  %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+  store i32 %tmp, i32* %arrayidx2, align 4
+  br label %for.inc
+
+for.inc:                                          ; preds = %for.body
+  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+  br label %for.cond
+
+for.end:                                          ; preds = %for.cond
+  ret void
+}

external/llvm-project/polly/test/ScopDetect/aliasing_simple_2.ll

@@ -0,0 +1,36 @@
+; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
+;
+; CHECK: Valid Region for Scop:
+;
+;    void jd(int *A, int *B) {
+;      for (int i = 0; i < 1024; i++)
+;        A[i] = B[0] + B[1023];
+;    }
+;
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @jd(i32* %A, i32* %B) {
+entry:
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc, %entry
+  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
+  %exitcond = icmp ne i64 %indvars.iv, 1024
+  br i1 %exitcond, label %for.body, label %for.end
+
+for.body:                                         ; preds = %for.cond
+  %tmp = load i32, i32* %B, align 4
+  %arrayidx1 = getelementptr inbounds i32, i32* %B, i64 1023
+  %tmp1 = load i32, i32* %arrayidx1, align 4
+  %add = add nsw i32 %tmp, %tmp1
+  %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+  store i32 %add, i32* %arrayidx2, align 4
+  br label %for.inc
+
+for.inc:                                          ; preds = %for.body
+  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+  br label %for.cond
+
+for.end:                                          ; preds = %for.cond
+  ret void
+}

external/llvm-project/polly/test/ScopDetect/base_pointer.ll

@@ -0,0 +1,296 @@
+; RUN: opt %loadPolly -disable-basicaa -polly-detect -polly-invariant-load-hoisting=true -analyze < %s | FileCheck %s
+
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+
+define void @base_pointer_in_condition(i64** noalias %A_ptr, i64 %N) nounwind {
+entry:
+  fence seq_cst
+  br label %pre
+
+pre:
+  %A = load i64*, i64** %A_ptr
+  br i1 true, label %for.i, label %then
+
+for.i:
+  %indvar = phi i64 [ 0, %pre ], [ %indvar.next, %for.i ]
+  %scevgep = getelementptr i64, i64* %A, i64 %indvar
+  store i64 %indvar, i64* %scevgep
+  %indvar.next = add nsw i64 %indvar, 1
+  %exitcond = icmp eq i64 %indvar.next, %N
+  br i1 %exitcond, label %then, label %for.i
+
+then:
+  br label %return
+
+return:
+  fence seq_cst
+  ret void
+}
+
+; CHECK-LABEL: base_pointer_in_condition
+; CHECK: Valid Region for Scop: pre => return
+
+define void @base_pointer_is_argument(float* %A, i64 %n) {
+entry:
+  br label %for.i
+
+for.i:
+  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
+  br label %S1
+
+S1:
+  %conv = sitofp i64 %indvar.i to float
+  %arrayidx5 = getelementptr float, float* %A, i64 %indvar.i
+  store float %conv, float* %arrayidx5, align 4
+  br label %for.i.inc
+
+for.i.inc:
+  %indvar.i.next = add i64 %indvar.i, 1
+  %exitcond.i = icmp ne i64 %indvar.i.next, %n
+  br i1 %exitcond.i, label %for.i, label %exit
+
+exit:
+  ret void
+}
+
+; CHECK-LABEL: base_pointer_is_argument
+; CHECK: Valid Region for Scop: for.i => exit
+
+define void @base_pointer_is_const_expr(i64 %n) {
+entry:
+  br label %for.i
+
+for.i:
+  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
+  br label %S1
+
+S1:
+  %conv = sitofp i64 %indvar.i to float
+  %arrayidx5 = getelementptr float, float* inttoptr (i64 100 to float*), i64 %indvar.i
+  store float %conv, float* %arrayidx5, align 4
+  br label %for.i.inc
+
+for.i.inc:
+  %indvar.i.next = add i64 %indvar.i, 1
+  %exitcond.i = icmp ne i64 %indvar.i.next, %n
+  br i1 %exitcond.i, label %for.i, label %exit
+
+exit:
+  ret void
+}
+
+; CHECK-LABEL: base_pointer_is_const_expr
+; CHECK-LABEL: Valid Region for Scop: for.i => exit
+
+@A = external global float
+
+define void @base_pointer_is_global(i64 %n) {
+entry:
+  br label %for.i
+
+for.i:
+  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
+  br label %S1
+
+S1:
+  %conv = sitofp i64 %indvar.i to float
+  %arrayidx5 = getelementptr float, float* @A, i64 %indvar.i
+  store float %conv, float* %arrayidx5, align 4
+  br label %for.i.inc
+
+for.i.inc:
+  %indvar.i.next = add i64 %indvar.i, 1
+  %exitcond.i = icmp ne i64 %indvar.i.next, %n
+  br i1 %exitcond.i, label %for.i, label %exit
+
+exit:
+  ret void
+}
+
+; CHECK-LABEL: base_pointer_is_global
+; CHECK: Valid Region for Scop: for.i => exit
+
+declare float *@foo()
+
+define void @base_pointer_is_inst_outside(i64 %n) {
+entry:
+  %A = call float *@foo()
+  br label %for.i
+
+for.i:
+  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
+  br label %S1
+
+S1:
+  %conv = sitofp i64 %indvar.i to float
+  %arrayidx5 = getelementptr float, float* %A, i64 %indvar.i
+  store float %conv, float* %arrayidx5, align 4
+  br label %for.i.inc
+
+for.i.inc:
+  %indvar.i.next = add i64 %indvar.i, 1
+  %exitcond.i = icmp ne i64 %indvar.i.next, %n
+  br i1 %exitcond.i, label %for.i, label %exit
+
+exit:
+  ret void
+}
+
+; CHECK-LABEL: base_pointer_is_inst_outside
+; CHECK: Valid Region for Scop: for.i => exit
+
+declare float* @getNextBasePtr(float*) readnone nounwind
+
+define void @base_pointer_is_phi_node(i64 %n, float* %A) {
+entry:
+  br label %for.i
+
+for.i:
+  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
+  %ptr = phi float* [ %ptr.next, %for.i.inc ], [ %A, %entry ]
+; To get a PHI node inside a SCoP that can not be analyzed but
+; for which the surrounding SCoP is normally still valid we use a function
+; without any side effects.
+  %ptr.next = call float* @getNextBasePtr(float* %ptr)
+  br label %S1
+
+S1:
+  %conv = sitofp i64 %indvar.i to float
+  %arrayidx5 = getelementptr float, float* %ptr, i64 %indvar.i
+  store float %conv, float* %arrayidx5, align 4
+  br label %for.i.inc
+
+for.i.inc:
+  %indvar.i.next = add i64 %indvar.i, 1
+  %exitcond.i = icmp ne i64 %indvar.i.next, %n
+  br i1 %exitcond.i, label %for.i, label %exit
+
+exit:
+  ret void
+}
+
+; CHECK-LABEL: base_pointer_is_phi_node
+; CHECK-NOT: Valid Region for Scop
+
+define void @base_pointer_is_inst_inside_invariant_1(i64 %n, float* %A) {
+entry:
+  br label %for.i
+
+for.i:
+  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
+; A function return value, even with readnone nounwind attributes, is not
+; considered a valid base pointer because it can return a pointer that aliases
+; with something else (e.g. %A or a global) or return a different pointer at
+; every call (e.g. malloc)
+  %ptr = call float* @getNextBasePtr(float* %A)
+  br label %S1
+
+S1:
+  %conv = sitofp i64 %indvar.i to float
+  %arrayidx5 = getelementptr float, float* %ptr, i64 %indvar.i
+  store float %conv, float* %arrayidx5, align 4
+  br label %for.i.inc
+
+for.i.inc:
+  %indvar.i.next = add i64 %indvar.i, 1
+  %exitcond.i = icmp ne i64 %indvar.i.next, %n
+  br i1 %exitcond.i, label %for.i, label %exit
+
+exit:
+  ret void
+}
+
+; CHECK-LABEL: base_pointer_is_inst_inside_invariant_1
+; CHECK-NOT: Valid Region for Scop
+
+declare float* @getNextBasePtr2(float*) readnone nounwind
+
+define void @base_pointer_is_inst_inside_invariant_2(i64 %n, float* %A) {
+entry:
+  br label %for.i
+
+for.i:
+  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
+  %ptr = call float* @getNextBasePtr2(float* %A)
+  %ptr2 = call float* @getNextBasePtr(float* %ptr)
+  br label %S1
+
+S1:
+  %conv = sitofp i64 %indvar.i to float
+  %arrayidx5 = getelementptr float, float* %ptr2, i64 %indvar.i
+  store float %conv, float* %arrayidx5, align 4
+  br label %for.i.inc
+
+for.i.inc:
+  %indvar.i.next = add i64 %indvar.i, 1
+  %exitcond.i = icmp ne i64 %indvar.i.next, %n
+  br i1 %exitcond.i, label %for.i, label %exit
+
+exit:
+  ret void
+}
+
+; CHECK-LABEL: base_pointer_is_inst_inside_invariant_2
+; CHECK-NOT: Valid Region for Scop
+
+declare float* @getNextBasePtr3(float*, i64) readnone nounwind
+
+define void @base_pointer_is_inst_inside_variant(i64 %n, float* %A) {
+entry:
+  br label %for.i
+
+for.i:
+  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
+  %ptr = call float* @getNextBasePtr3(float* %A, i64 %indvar.i)
+  %ptr2 = call float* @getNextBasePtr(float* %ptr)
+  br label %S1
+
+S1:
+  %conv = sitofp i64 %indvar.i to float
+  %arrayidx5 = getelementptr float, float* %ptr2, i64 %indvar.i
+  store float %conv, float* %arrayidx5, align 4
+  br label %for.i.inc
+
+for.i.inc:
+  %indvar.i.next = add i64 %indvar.i, 1
+  %exitcond.i = icmp ne i64 %indvar.i.next, %n
+  br i1 %exitcond.i, label %for.i, label %exit
+
+exit:
+  ret void
+}
+
+; CHECK: base_pointer_is_inst_inside_variant
+; CHECK-NOT: Valid Region for Scop
+
+define void @base_pointer_is_ptr2ptr(float** noalias %A, i64 %n) {
+entry:
+  br label %for.i
+
+for.i:
+  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
+  %arrayidx = getelementptr float*, float** %A, i64 %indvar.i
+  br label %for.j
+
+for.j:
+  %indvar.j = phi i64 [ 0, %for.i ], [ %indvar.j.next, %for.j ]
+  %conv = sitofp i64 %indvar.i to float
+  %basepointer = load float*, float** %arrayidx, align 8
+  %arrayidx5 = getelementptr float, float* %basepointer, i64 %indvar.j
+  store float %conv, float* %arrayidx5, align 4
+  %indvar.j.next = add i64 %indvar.j, 1
+  %exitcond.j = icmp ne i64 %indvar.j.next, %n
+  br i1 %exitcond.j, label %for.j, label %for.i.inc
+
+for.i.inc:
+  %indvar.i.next = add i64 %indvar.i, 1
+  %exitcond.i = icmp ne i64 %indvar.i.next, %n
+  br i1 %exitcond.i, label %for.i, label %exit
+
+exit:
+  ret void
+}
+
+; CHECK: base_pointer_is_ptr2ptr
+; CHECK: Valid Region for Scop: for.j => for.i.inc

external/llvm-project/polly/test/ScopDetect/base_pointer_is_inst_inside_invariant_1___%for.i---%exit.jscop

@@ -0,0 +1,24 @@
+{
+   "arrays" : [
+      {
+         "name" : "MemRef_ptr",
+         "sizes" : [ "*" ],
+         "type" : "float"
+      }
+   ],
+   "context" : "[n] -> {  : -9223372036854775808 <= n <= 9223372036854775807 }",
+   "name" : "%for.i---%exit",
+   "statements" : [
+      {
+         "accesses" : [
+            {
+               "kind" : "write",
+               "relation" : "[n] -> { Stmt_S1[i0] -> MemRef_ptr[i0+1] }"
+            }
+         ],
+         "domain" : "[n] -> { Stmt_S1[i0] : 0 <= i0 < n }",
+         "name" : "Stmt_S1",
+         "schedule" : "[n] -> { Stmt_S1[i0] -> [i0] }"
+      }
+   ]
+}

external/llvm-project/polly/test/ScopDetect/base_pointer_load_is_inst_inside_invariant_1___%for.i---%exit.jscop

@@ -0,0 +1,29 @@
+{
+   "arrays" : [
+      {
+         "name" : "MemRef_A",
+         "sizes" : [ "*" ],
+         "type" : "float*"
+      },
+      {
+         "name" : "MemRef_ptr",
+         "sizes" : [ "*" ],
+         "type" : "float"
+      }
+   ],
+   "context" : "[n] -> {  : -9223372036854775808 <= n <= 9223372036854775807 }",
+   "name" : "%for.i---%exit",
+   "statements" : [
+      {
+         "accesses" : [
+            {
+               "kind" : "write",
+               "relation" : "[n] -> { Stmt_S1[i0] -> MemRef_ptr[i0+1] }"
+            }
+         ],
+         "domain" : "[n] -> { Stmt_S1[i0] : 0 <= i0 < n }",
+         "name" : "Stmt_S1",
+         "schedule" : "[n] -> { Stmt_S1[i0] -> [i0] }"
+      }
+   ]
+}

external/llvm-project/polly/test/ScopDetect/base_pointer_load_setNewAccessRelation.ll

@@ -0,0 +1,42 @@
+; RUN: opt %loadPolly -polly-ignore-aliasing -polly-invariant-load-hoisting=true -polly-scops -polly-import-jscop -polly-codegen -analyze < %s | FileCheck %s
+;
+; This violated an assertion in setNewAccessRelation that assumed base pointers
+; to be load-hoisted. Without this assertion, it codegen would generate invalid
+; code.
+;
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+
+define void @base_pointer_load_is_inst_inside_invariant_1(i64 %n, float** %A) {
+entry:
+  br label %for.i
+
+for.i:
+  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
+  br label %S1
+
+S1:
+  %ptr = load float*, float** %A
+  %conv = sitofp i64 %indvar.i to float
+  %arrayidx5 = getelementptr float, float* %ptr, i64 %indvar.i
+  store float %conv, float* %arrayidx5, align 4
+  br label %for.i.inc
+
+for.i.inc:
+  %indvar.i.next = add i64 %indvar.i, 1
+  %exitcond.i = icmp ne i64 %indvar.i.next, %n
+  br i1 %exitcond.i, label %for.i, label %exit
+
+exit:
+  ret void
+}
+
+
+; Detected by -polly-detect with required load hoist.
+; CHECK-NOT: Valid Region for Scop: for.i => exit
+;
+; Load hoist if %ptr by -polly-scops.
+; CHECK:      Invariant Accesses: {
+; CHECK-NEXT:     ReadAccess :=       [Reduction Type: NONE] [Scalar: 0]
+; CHECK-NEXT:         [n] -> { Stmt_S1[i0] -> MemRef_A[0] };
+; CHECK-NEXT:     Execution Context: [n] -> {  : n > 0 }
+; CHECK-NEXT: }

external/llvm-project/polly/test/ScopDetect/base_pointer_setNewAccessRelation.ll

@@ -0,0 +1,37 @@
+; RUN: opt %loadPolly -disable-basicaa -polly-detect -polly-import-jscop -polly-codegen -analyze < %s | FileCheck %s
+;
+; Polly codegen used to generate invalid code (referring to %ptr from the
+; original region) when regeneration of the access function is necessary.
+; The SCoP is now rejected as a whole because %ptr is not considered a valid
+; base pointer.
+;
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+
+declare float* @getNextBasePtr(float*) readnone nounwind
+
+define void @base_pointer_is_inst_inside_invariant_1(i64 %n, float* %A) {
+entry:
+  br label %for.i
+
+for.i:
+  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
+  br label %S1
+
+S1:
+  %ptr = call float* @getNextBasePtr(float* %A)
+  %conv = sitofp i64 %indvar.i to float
+  %arrayidx5 = getelementptr float, float* %ptr, i64 %indvar.i
+  store float %conv, float* %arrayidx5, align 4
+  br label %for.i.inc
+
+for.i.inc:
+  %indvar.i.next = add i64 %indvar.i, 1
+  %exitcond.i = icmp ne i64 %indvar.i.next, %n
+  br i1 %exitcond.i, label %for.i, label %exit
+
+exit:
+  ret void
+}
+
+
+; CHECK-NOT: Valid Region for Scop

external/llvm-project/polly/test/ScopDetect/cross_loop_non_single_exit.ll

@@ -0,0 +1,48 @@
+; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
+
+; void f(long A[], long N) {
+;   long i;
+;   if (true)
+;     for (i = 0; i < N; ++i)
+;       A[i] = i;
+;   else
+;     for (j = 0; j < N; ++j)
+;        A[j] = j;
+; }
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+
+define void @f(i64* %A, i64 %N) nounwind {
+entry:
+  fence seq_cst
+  br i1 true, label %next, label %next2
+
+next2:
+  br i1 true, label %for.j, label %return
+
+for.j:
+  %indvar2 = phi i64 [ 0, %next2], [ %indvar2.next2, %for.j]
+  %scevgep2 = getelementptr i64, i64* %A, i64 %indvar2
+  store i64 %indvar2, i64* %scevgep2
+  %indvar2.next2 = add nsw i64 %indvar2, 1
+  %exitcond2 = icmp eq i64 %indvar2.next2, %N
+  br i1 %exitcond2, label %return, label %for.j
+
+next:
+  br i1 true, label %for.i, label %return
+
+for.i:
+  %indvar = phi i64 [ 0, %next], [ %indvar.next, %for.i ]
+  %scevgep = getelementptr i64, i64* %A, i64 %indvar
+  store i64 %indvar, i64* %scevgep
+  %indvar.next = add nsw i64 %indvar, 1
+  %exitcond = icmp eq i64 %indvar.next, %N
+  br i1 %exitcond, label %return, label %for.i
+
+return:
+  fence seq_cst
+  ret void
+}
+
+; CHECK: Valid Region for Scop: next => return
+; CHECK: Valid Region for Scop: next2 => return

external/llvm-project/polly/test/ScopDetect/cross_loop_non_single_exit_2.ll

@@ -0,0 +1,60 @@
+; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
+
+; void f(long A[], long N) {
+;   long i;
+;   if (true)
+;     for (i = 0; i < N; ++i)
+;       A[i] = i;
+;   else
+;     for (j = 0; j < N; ++j)
+;        A[j] = j;
+; }
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+
+declare i64 @foo()
+
+define void @f(i64* %A, i64 %N) nounwind {
+entry:
+  fence seq_cst
+  br i1 true, label %next, label %next2
+
+next2:
+  br i1 true, label %for.j, label %return
+
+for.j:
+  %indvar2 = phi i64 [ 0, %next2], [ %indvar2.next2, %for.j]
+  %scevgep2 = getelementptr i64, i64* %A, i64 %indvar2
+  store i64 %indvar2, i64* %scevgep2
+  %indvar2.next2 = add nsw i64 %indvar2, 1
+  %exitcond2 = icmp eq i64 %indvar2.next2, %N
+  br i1 %exitcond2, label %return, label %for.j
+
+next:
+  br i1 true, label %for.i, label %return
+
+for.i:
+  %indvar = phi i64 [ 0, %next], [ %indvar.next, %for.i ]
+  %scevgep = getelementptr i64, i64* %A, i64 %indvar
+  store i64 %indvar, i64* %scevgep
+  %i = call i64 @foo()
+  %indvar.next = add nsw i64 %indvar, 1
+  %exitcond = icmp eq i64 %indvar.next, %N
+  br i1 %exitcond, label %return, label %for.i
+
+return:
+  br i1 true, label %return_a, label %return_b
+
+return_a:
+  br label %return_join
+
+return_b:
+  br label %return_join
+
+return_join:
+  fence seq_cst
+  ret void
+}
+
+; CHECK-NOT: Valid Region for Scop: next => return
+; CHECK: Valid Region for Scop: next2 => return

external/llvm-project/polly/test/ScopDetect/dependency_to_phi_node_outside_of_region.ll

@@ -0,0 +1,33 @@
+; RUN: opt %loadPolly -polly-detect -disable-output < %s
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+
+define void @f(i64* %A, i64 %N, i64 %M) nounwind {
+entry:
+  fence seq_cst
+  br label %for.i
+
+for.i:
+  %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.i ]
+  %scevgep = getelementptr i64, i64* %A, i64 %indvar
+  store i64 %indvar, i64* %scevgep
+  %indvar.next = add nsw i64 %indvar, 1
+  %exitcond = icmp eq i64 %indvar.next, %N
+  br i1 %exitcond, label %next, label %for.i
+
+next:
+  fence seq_cst
+  br label %for.j
+
+for.j:
+  %indvar.j = phi i64 [ %indvar, %next ], [ %indvar.j.next, %for.j ]
+  %scevgep.j = getelementptr i64, i64* %A, i64 %indvar.j
+  store i64 %indvar.j, i64* %scevgep.j
+  fence seq_cst
+  %indvar.j.next = add nsw i64 %indvar.j, 1
+  %exitcond.j = icmp eq i64 %indvar.j.next, %M
+  br i1 %exitcond.j, label %return, label %for.j
+
+return:
+  fence seq_cst
+  ret void
+}

external/llvm-project/polly/test/ScopDetect/dot-scops.ll

@@ -0,0 +1,47 @@
+; RUN: opt %loadPolly -polly-scops -dot-scops -analyze < %s
+;
+; Check that the ScopPrinter does not crash.
+; ScopPrinter needs the ScopDetection pass, which should depend on
+; ScalarEvolution transitively.
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @func(i32 %n, i32 %m, double* noalias nonnull %A) {
+entry:
+  br label %outer.for
+
+outer.for:
+  %j = phi i32 [0, %entry], [%j.inc, %outer.inc]
+  %j.cmp = icmp slt i32 %j, %n
+  br i1 %j.cmp, label %inner.for, label %outer.exit
+
+  inner.for:
+    %i = phi i32 [1, %outer.for], [%i.inc, %inner.inc]
+    %b = phi double [0.0, %outer.for], [%a, %inner.inc]
+    %i.cmp = icmp slt i32 %i, %m
+    br i1 %i.cmp, label %body1, label %inner.exit
+
+    body1:
+      %A_idx = getelementptr inbounds double, double* %A, i32 %i
+      %a = load double, double* %A_idx
+      store double %a, double* %A_idx
+      br label %inner.inc
+
+  inner.inc:
+    %i.inc = add nuw nsw i32 %i, 1
+    br label %inner.for
+
+  inner.exit:
+    br label %outer.inc
+
+outer.inc:
+  store double %b, double* %A
+  %j.inc = add nuw nsw i32 %j, 1
+  br label %outer.for
+
+outer.exit:
+  br label %return
+
+return:
+  ret void
+}

external/llvm-project/polly/test/ScopDetect/error-block-always-executed.ll

@@ -0,0 +1,62 @@
+; RUN: opt %loadPolly -polly-detect -analyze < %s \
+; RUN:     | FileCheck %s
+;
+; CHECK-NOT: Valid Region for Scop:
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+%struct.hoge = type { i32, i32, i32, i32 }
+
+; Function Attrs: nounwind uwtable
+define void @widget() #0 {
+bb13:
+  %tmp1 = alloca %struct.hoge, align 4
+  br i1 undef, label %bb14, label %bb19
+
+bb14:                                             ; preds = %bb13
+  %tmp = load i32, i32* undef, align 4, !tbaa !1
+  call void @quux() #2
+  br i1 false, label %bb15, label %bb18
+
+bb15:                                             ; preds = %bb14
+  %tmp16 = getelementptr inbounds %struct.hoge, %struct.hoge* %tmp1, i64 0, i32 1
+  %tmp17 = getelementptr inbounds %struct.hoge, %struct.hoge* %tmp1, i64 0, i32 2
+  br label %bb19
+
+bb18:                                             ; preds = %bb14
+  br label %bb19
+
+bb19:                                             ; preds = %bb18, %bb15, %bb13
+  %tmp20 = phi i32 [ undef, %bb13 ], [ %tmp, %bb15 ], [ %tmp, %bb18 ]
+  unreachable
+
+bb21:                                             ; preds = %bb8
+  unreachable
+
+bb22:                                             ; preds = %bb8, %bb8, %bb8, %bb8
+  br label %bb23
+
+bb23:                                             ; preds = %bb22
+  unreachable
+
+bb24:                                             ; preds = %bb8, %bb8
+  unreachable
+
+bb25:                                             ; preds = %bb2
+  unreachable
+}
+
+declare void @quux() #1
+
+attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #2 = { nounwind }
+
+!llvm.ident = !{!0}
+
+!0 = !{!"clang version 3.8.0 (trunk 252700) (llvm/trunk 252705)"}
+!1 = !{!2, !2, i64 0}
+!2 = !{!"int", !3, i64 0}
+!3 = !{!"omnipotent char", !4, i64 0}
+!4 = !{!"Simple C/C++ TBAA"}

external/llvm-project/polly/test/ScopDetect/error-block-referenced-from-scop.ll

@@ -0,0 +1,54 @@
+; RUN: opt %loadPolly -polly-detect -analyze < %s \
+; RUN:     | FileCheck %s
+;
+; CHECK-NOT: Valid Region for Scop:
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; Function Attrs: nounwind uwtable
+define void @hoge() #0 {
+bb:
+  br label %bb1
+
+bb1:                                              ; preds = %bb
+  br i1 undef, label %bb2, label %bb7
+
+bb2:                                              ; preds = %bb1
+  %tmp = load i32, i32* undef, align 8, !tbaa !1
+  %tmp3 = tail call i32 @widget() #2
+  br i1 false, label %bb4, label %bb5
+
+bb4:                                              ; preds = %bb2
+  br label %bb8
+
+bb5:                                              ; preds = %bb2
+  %tmp6 = sub i32 %tmp, %tmp3
+  br label %bb8
+
+bb7:                                              ; preds = %bb1
+  br label %bb8
+
+bb8:                                              ; preds = %bb7, %bb5, %bb4
+  ret void
+}
+
+; Function Attrs: inlinehint nounwind readonly uwtable
+declare i32 @widget() #1
+
+attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { inlinehint nounwind readonly uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #2 = { nounwind readonly }
+
+!llvm.ident = !{!0}
+
+!0 = !{!"clang version 3.8.0 (trunk 252700) (llvm/trunk 252705)"}
+!1 = !{!2, !7, i64 8}
+!2 = !{!"cli_target_info", !3, i64 0, !6, i64 8, !4, i64 32}
+!3 = !{!"long", !4, i64 0}
+!4 = !{!"omnipotent char", !5, i64 0}
+!5 = !{!"Simple C/C++ TBAA"}
+!6 = !{!"cli_exe_info", !7, i64 0, !8, i64 4, !3, i64 8, !9, i64 16}
+!7 = !{!"int", !4, i64 0}
+!8 = !{!"short", !4, i64 0}
+!9 = !{!"any pointer", !4, i64 0}

external/llvm-project/polly/test/ScopDetect/error-block-unreachable.ll

@@ -0,0 +1,36 @@
+; RUN: opt %loadPolly -polly-detect -analyze < %s
+
+; Verify that the scop detection does not crash on inputs with unreachable
+; blocks. Earlier we crashed when detecting error blocks.
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; Function Attrs: nounwind uwtable
+define void @foo() {
+entry:
+  br label %while.cond
+
+while.cond:                                       ; preds = %for.end, %entry
+  br i1 false, label %for.end, label %while.end8
+
+while.cond1:                                      ; preds = %while.cond4
+  br i1 undef, label %while.body3, label %for.inc
+
+while.body3:                                      ; preds = %while.cond1
+  br label %while.cond4
+
+while.cond4:                                      ; preds = %while.cond4, %while.body3
+  br i1 undef, label %while.cond4, label %while.cond1
+
+for.inc:                                          ; preds = %while.cond1
+  %conv = zext i16 undef to i32
+  br label %for.end
+
+for.end:                                          ; preds = %for.inc, %while.cond
+  %conv.sink = phi i32 [ %conv, %for.inc ], [ 0, %while.cond ]
+  br label %while.cond
+
+while.end8:                                       ; preds = %while.cond
+  ret void
+}

external/llvm-project/polly/test/ScopDetect/expand-region-correctly-2.ll

@@ -0,0 +1,53 @@
+; RUN: opt %loadPolly -polly-detect \
+; RUN:     -analyze < %s | FileCheck %s
+;
+; CHECK: Valid Region for Scop: if.end.1631 => for.cond.1647.outer
+;
+target triple = "x86_64-unknown-linux-gnu"
+
+; Function Attrs: nounwind uwtable
+define void @qtm_decompress() #0 {
+entry:
+  br label %if.end.1631
+
+if.end.1631:                                      ; preds = %entry
+  br i1 false, label %for.cond.1647.preheader, label %if.then.1635
+
+if.then.1635:                                     ; preds = %if.end.1631
+  br label %for.cond.1647.preheader
+
+for.cond.1647.preheader:                          ; preds = %if.then.1635, %if.end.1631
+  br label %for.cond.1647.outer
+
+for.cond.1647.outer:                              ; preds = %do.end.1685, %for.cond.1647.preheader
+  %bits_needed.5.ph = phi i8 [ 8, %for.cond.1647.preheader ], [ undef, %do.end.1685 ]
+  br label %for.cond.1647
+
+for.cond.1647:                                    ; preds = %do.cond.1718, %for.cond.1647.outer
+  %bits_needed.5 = phi i8 [ 8, %do.cond.1718 ], [ %bits_needed.5.ph, %for.cond.1647.outer ]
+  br i1 undef, label %do.cond.1718, label %if.then.1659
+
+if.then.1659:                                     ; preds = %for.cond.1647
+  br i1 false, label %do.end.1685, label %cleanup.1785
+
+do.end.1685:                                      ; preds = %if.then.1659
+  br label %for.cond.1647.outer
+
+do.cond.1718:                                     ; preds = %for.cond.1647
+  br i1 false, label %land.lhs.true.1736, label %for.cond.1647
+
+land.lhs.true.1736:                               ; preds = %do.cond.1718
+  br label %if.then.1742
+
+if.then.1742:                                     ; preds = %land.lhs.true.1736
+  unreachable
+
+cleanup.1785:                                     ; preds = %if.then.1659
+  ret void
+}
+
+attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+!llvm.ident = !{!0}
+
+!0 = !{!"clang version 3.8.0 (trunk 250010) (llvm/trunk 250018)"}

external/llvm-project/polly/test/ScopDetect/expand-region-correctly.ll

@@ -0,0 +1,45 @@
+; RUN: opt %loadPolly -polly-detect \
+; RUN:     -analyze < %s | FileCheck %s
+
+; CHECK: Valid Region for Scop: if.end.1631 => for.cond.1647.outer
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @qtm_decompress() {
+entry:
+  br label %while.cond.outer.outer
+
+while.cond.outer.outer:                           ; preds = %entry
+  br label %if.end.1631
+
+if.end.1631:                                      ; preds = %do.end.1721, %while.cond.outer.outer
+  br i1 false, label %for.cond.1647.preheader, label %if.then.1635
+
+if.then.1635:                                     ; preds = %if.end.1631
+  br label %for.cond.1647.preheader
+
+for.cond.1647.preheader:                          ; preds = %if.then.1635, %if.end.1631
+  br label %for.cond.1647.outer
+
+for.cond.1647.outer:                              ; preds = %do.end.1685, %for.cond.1647.preheader
+  %bits_needed.5.ph = phi i8 [ 8, %for.cond.1647.preheader ], [ 0, %do.end.1685 ]
+  br label %for.cond.1647
+
+for.cond.1647:                                    ; preds = %do.cond.1718, %for.cond.1647.outer
+  br i1 undef, label %do.cond.1718, label %if.then.1659
+
+if.then.1659:                                     ; preds = %for.cond.1647
+  br i1 false, label %do.end.1685, label %if.then.1662
+
+if.then.1662:                                     ; preds = %if.then.1659
+  unreachable
+
+do.end.1685:                                      ; preds = %if.then.1659
+  br label %for.cond.1647.outer
+
+do.cond.1718:                                     ; preds = %for.cond.1647
+  br i1 false, label %do.end.1721, label %for.cond.1647
+
+do.end.1721:                                      ; preds = %do.cond.1718
+  br label %if.end.1631
+}

external/llvm-project/polly/test/ScopDetect/ignore_func_flag_regex.ll

@@ -0,0 +1,124 @@
+; RUN: opt %loadPolly -polly-scops  -analyze -polly-ignore-func=f.*,g.* < %s | FileCheck %s
+;
+; Check that the flag `-polly-ignore-func` works with regexes.
+;
+; CHECK:      Function: h
+; CHECK-NEXT:    Region: %for.cond---%for.end
+;
+; CHECK-NOT:      Function:
+;
+; void f1(int* sum) {
+;   for (int i = 0; i <= 100; i++)
+;     sum += i * 3;
+; }
+; void f2(int* sum) {
+;   for (int i = 0; i <= 100; i++)
+;     sum += i * 3;
+; }
+; void g1(int* sum) {
+;   for (int i = 0; i <= 100; i++)
+;     sum += i * 3;
+; }
+; void h(int* sum) {
+;   for (int i = 0; i <= 100; i++)
+;     sum += i * 3;
+; }
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
+
+define void @f1(i32* %sum) {
+entry:
+  br label %entry.split1
+
+entry.split1:                                     ; preds = %entry
+  br label %entry.split
+
+entry.split:                                      ; preds = %entry.split1
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.cond, %entry.split
+  %i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
+  %sum.reload = load i32, i32* %sum
+  %mul = mul nsw i32 %i1.0, 3
+  %add = add nsw i32 %sum.reload, %mul
+  %inc = add nsw i32 %i1.0, 1
+  store i32 %add, i32* %sum
+  %cmp = icmp slt i32 %i1.0, 100
+  br i1 %cmp, label %for.cond, label %for.end
+
+for.end:                                          ; preds = %for.cond
+  ret void
+}
+
+
+define void @f2(i32* %sum) {
+entry:
+  br label %entry.split1
+
+entry.split1:                                     ; preds = %entry
+  br label %entry.split
+
+entry.split:                                      ; preds = %entry.split1
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.cond, %entry.split
+  %i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
+  %sum.reload = load i32, i32* %sum
+  %mul = mul nsw i32 %i1.0, 3
+  %add = add nsw i32 %sum.reload, %mul
+  %inc = add nsw i32 %i1.0, 1
+  store i32 %add, i32* %sum
+  %cmp = icmp slt i32 %i1.0, 100
+  br i1 %cmp, label %for.cond, label %for.end
+
+for.end:                                          ; preds = %for.cond
+  ret void
+}
+
+define void @g1(i32* %sum) {
+entry:
+  br label %entry.split1
+
+entry.split1:                                     ; preds = %entry
+  br label %entry.split
+
+entry.split:                                      ; preds = %entry.split1
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.cond, %entry.split
+  %i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
+  %sum.reload = load i32, i32* %sum
+  %mul = mul nsw i32 %i1.0, 3
+  %add = add nsw i32 %sum.reload, %mul
+  %inc = add nsw i32 %i1.0, 1
+  store i32 %add, i32* %sum
+  %cmp = icmp slt i32 %i1.0, 100
+  br i1 %cmp, label %for.cond, label %for.end
+
+for.end:                                          ; preds = %for.cond
+  ret void
+}
+
+define void @h(i32* %sum) {
+entry:
+  br label %entry.split1
+
+entry.split1:                                     ; preds = %entry
+  br label %entry.split
+
+entry.split:                                      ; preds = %entry.split1
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.cond, %entry.split
+  %i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
+  %sum.reload = load i32, i32* %sum
+  %mul = mul nsw i32 %i1.0, 3
+  %add = add nsw i32 %sum.reload, %mul
+  %inc = add nsw i32 %i1.0, 1
+  store i32 %add, i32* %sum
+  %cmp = icmp slt i32 %i1.0, 100
+  br i1 %cmp, label %for.cond, label %for.end
+
+for.end:                                          ; preds = %for.cond
+  ret void
+}
+

external/llvm-project/polly/test/ScopDetect/index_from_unpredictable_loop.ll

@@ -0,0 +1,68 @@
+; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s --check-prefix=AFFINE
+; RUN: opt %loadPolly -polly-scops -polly-allow-nonaffine -analyze < %s | FileCheck %s --check-prefix=NONAFFINE
+
+; The loop for.body => for.inc has an unpredictable iteration count could due to
+; the undef start value that it is compared to. Therefore the array element
+; %arrayidx101 that depends on that exit value cannot be affine.
+; Derived from test-suite/MultiSource/Benchmarks/BitBench/uuencode/uuencode.c
+
+define void @encode_line(i8* nocapture readonly %input, i32 %octets, i64 %p) {
+entry:
+  br i1 undef, label %for.body, label %for.end
+
+for.body:
+  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ %p, %entry ]
+  %octets.addr.02 = phi i32 [ undef, %for.inc ], [ %octets, %entry ]
+  br i1 false, label %for.inc, label %if.else
+
+if.else:
+  %cond = icmp eq i32 %octets.addr.02, 2
+  br i1 %cond, label %if.then84, label %for.end
+
+if.then84:
+  %0 = add nsw i64 %indvars.iv, 1
+  %arrayidx101 = getelementptr inbounds i8, i8* %input, i64 %0
+  store i8 42, i8* %arrayidx101, align 1
+  br label %for.end
+
+for.inc:
+  %cmp = icmp sgt i32 %octets.addr.02, 3
+  %indvars.iv.next = add nsw i64 %indvars.iv, 3
+  br i1 %cmp, label %for.body, label %for.end
+
+for.end:
+  ret void
+}
+
+; AFFINE:       Region: %if.else---%for.end
+
+; AFFINE:       Statements {
+; AFFINE-NEXT:  	Stmt_if_then84
+; AFFINE-NEXT:          Domain :=
+; AFFINE-NEXT:              [octets, p_1, p] -> { Stmt_if_then84[] : octets = 2 };
+; AFFINE-NEXT:          Schedule :=
+; AFFINE-NEXT:              [octets, p_1, p] -> { Stmt_if_then84[] -> [] };
+; AFFINE-NEXT:          MustWriteAccess :=	[Reduction Type: NONE] [Scalar: 0]
+; AFFINE-NEXT:              [octets, p_1, p] -> { Stmt_if_then84[] -> MemRef_input[1 + p] };
+; AFFINE-NEXT:  }
+
+; NONAFFINE:      Region: %for.body---%for.end
+
+; NONAFFINE:      Statements {
+; NONAFFINE-NEXT: 	Stmt_for_body
+; NONAFFINE-NEXT:         Domain :=
+; NONAFFINE-NEXT:             [octets] -> { Stmt_for_body[0] };
+; NONAFFINE-NEXT:         Schedule :=
+; NONAFFINE-NEXT:             [octets] -> { Stmt_for_body[i0] -> [0, 0] };
+; NONAFFINE-NEXT:         MustWriteAccess :=	[Reduction Type: NONE] [Scalar: 1]
+; NONAFFINE-NEXT:             [octets] -> { Stmt_for_body[i0] -> MemRef_indvars_iv[] };
+; NONAFFINE-NEXT: 	Stmt_if_then84
+; NONAFFINE-NEXT:         Domain :=
+; NONAFFINE-NEXT:             [octets] -> { Stmt_if_then84[] : octets = 2 };
+; NONAFFINE-NEXT:         Schedule :=
+; NONAFFINE-NEXT:             [octets] -> { Stmt_if_then84[] -> [1, 0] };
+; NONAFFINE-NEXT:         ReadAccess :=	[Reduction Type: NONE] [Scalar: 1]
+; NONAFFINE-NEXT:             [octets] -> { Stmt_if_then84[] -> MemRef_indvars_iv[] };
+; NONAFFINE-NEXT:         MayWriteAccess :=	[Reduction Type: NONE] [Scalar: 0]
+; NONAFFINE-NEXT:             [octets] -> { Stmt_if_then84[] -> MemRef_input[o0] };
+; NONAFFINE-NEXT: }