Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/IndVarSimplify/AMDGPU/lit.local.cfg

@@ -1,2 +0,0 @@
-if not 'AMDGPU' in config.root.targets:
-    config.unsupported = True

external/llvm/test/Transforms/IndVarSimplify/AMDGPU/no-widen-to-i64.ll

@@ -1,98 +0,0 @@
-; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -indvars %s | FileCheck %s
-
-; Bug 21148
-
-; Induction variables should not be widened for 64-bit integers,
-; despite being a legal type.
-;
-; The cost of basic arithmetic instructions on a 64-bit integer are
-; twice as expensive as that on a 32-bit integer, or split into 2
-; 32-bit components.
-
-target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-p24:64:64-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64"
-
-; CHECK-LABEL: @indvar_32_bit(
-; CHECK-NOT: sext i32
-; CHECK: phi i32
-define amdgpu_kernel void @indvar_32_bit(i32 %n, i32* nocapture %output) {
-entry:
-  %cmp5 = icmp sgt i32 %n, 0
-  br i1 %cmp5, label %for.body.preheader, label %for.end
-
-for.body.preheader:                               ; preds = %entry
-  br label %for.body
-
-for.body:                                         ; preds = %for.body.preheader, %for.body
-  %i.06 = phi i32 [ 0, %for.body.preheader ], [ %add, %for.body ]
-  %mul = mul nsw i32 %i.06, %i.06
-  %tmp0 = sext i32 %i.06 to i64
-  %arrayidx = getelementptr inbounds i32, i32* %output, i64 %tmp0
-  store i32 %mul, i32* %arrayidx, align 4
-  %add = add nsw i32 %i.06, 3
-  %cmp = icmp slt i32 %add, %n
-  br i1 %cmp, label %for.body, label %for.end.loopexit
-
-for.end.loopexit:                                 ; preds = %for.body
-  br label %for.end
-
-for.end:                                          ; preds = %for.end.loopexit, %entry
-  ret void
-}
-
-; CHECK-LABEL: @no_promote_i32(
-; CHECK-NOT: sext i32
-; CHECK: br
-; CHECK-NOT: shl i64
-; CHECK-NOT: ashr i64
-; CHECK-NOT: mul nsw i64
-; CHECK-NOT: add nsw i64
-define amdgpu_kernel void @no_promote_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) {
-entry:
-  br label %for.body
-
-for.body:
-  %inc = phi i32 [ 0, %entry ], [ %inc.i, %for.body ]
-  %tmp0 = add i32 %a, %inc
-  %shl = shl i32 %inc, 8
-  %shr = ashr exact i32 %shl, 8
-  %mul = mul nsw i32 %shr, %a
-  %add = add nsw i32 %mul, %b
-  %tmp1 = sext i32 %add to i64
-  %arrayidx1 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 %tmp1
-  store i32 %tmp0, i32 addrspace(1)* %arrayidx1, align 4
-  %inc.i = add nsw i32 %inc, 1
-  %cmp = icmp slt i32 %inc.i, 16
-  br i1 %cmp, label %for.body, label %for.end
-
-for.end:
-  ret void
-}
-
-; FIXME: This should really be promoted to i64, since it will need to
-; be legalized anyway.
-
-; CHECK-LABEL: @indvar_48_bit(
-define amdgpu_kernel void @indvar_48_bit(i48 %n, i48* nocapture %output) {
-entry:
-  %cmp5 = icmp sgt i48 %n, 0
-  br i1 %cmp5, label %for.body.preheader, label %for.end
-
-for.body.preheader:                               ; preds = %entry
-  br label %for.body
-
-for.body:                                         ; preds = %for.body.preheader, %for.body
-  %i.06 = phi i48 [ 0, %for.body.preheader ], [ %add, %for.body ]
-  %mul = mul nsw i48 %i.06, %i.06
-  %tmp0 = sext i48 %i.06 to i64
-  %arrayidx = getelementptr inbounds i48, i48* %output, i64 %tmp0
-  store i48 %mul, i48* %arrayidx, align 4
-  %add = add nsw i48 %i.06, 3
-  %cmp = icmp slt i48 %add, %n
-  br i1 %cmp, label %for.body, label %for.end.loopexit
-
-for.end.loopexit:                                 ; preds = %for.body
-  br label %for.end
-
-for.end:                                          ; preds = %for.end.loopexit, %entry
-  ret void
-}