You've already forked linux-packaging-mono
Imported Upstream version 5.18.0.167
Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
parent
e19d552987
commit
b084638f15
@ -1,141 +0,0 @@
|
||||
; RUN: opt -S -indvars < %s | FileCheck %s
|
||||
|
||||
; Check that SCEV is able to recognize and use guards to prove
|
||||
; conditions gaurding loop entries and backedges. This isn't intended
|
||||
; to be a comprehensive test of SCEV's simplification capabilities,
|
||||
; tests directly testing e.g. if SCEV can elide a sext should go
|
||||
; elsewhere.
|
||||
|
||||
target datalayout = "n8:16:32:64"
|
||||
|
||||
declare void @llvm.experimental.guard(i1, ...)
|
||||
|
||||
define void @test_1(i1* %cond_buf, i32* %len_buf) {
|
||||
; CHECK-LABEL: @test_1(
|
||||
entry:
|
||||
%len = load i32, i32* %len_buf, !range !{i32 1, i32 2147483648}
|
||||
br label %loop
|
||||
|
||||
loop:
|
||||
; CHECK: loop:
|
||||
; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 true) [ "deopt"() ]
|
||||
; CHECK: %iv.inc.cmp = icmp ult i32 %iv.inc, %len
|
||||
; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 %iv.inc.cmp) [ "deopt"() ]
|
||||
; CHECK: leave:
|
||||
|
||||
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
|
||||
%iv.inc = add i32 %iv, 1
|
||||
|
||||
%iv.cmp = icmp slt i32 %iv, %len
|
||||
call void(i1, ...) @llvm.experimental.guard(i1 %iv.cmp) [ "deopt"() ]
|
||||
|
||||
%iv.inc.cmp = icmp slt i32 %iv.inc, %len
|
||||
call void(i1, ...) @llvm.experimental.guard(i1 %iv.inc.cmp) [ "deopt"() ]
|
||||
|
||||
%becond = load volatile i1, i1* %cond_buf
|
||||
br i1 %becond, label %loop, label %leave
|
||||
|
||||
leave:
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @test_2(i32 %n, i32* %len_buf) {
|
||||
; CHECK-LABEL: @test_2(
|
||||
; CHECK: [[LEN_ZEXT:%[^ ]+]] = zext i32 %len to i64
|
||||
; CHECK: br label %loop
|
||||
|
||||
entry:
|
||||
%len = load i32, i32* %len_buf, !range !{i32 0, i32 2147483648}
|
||||
br label %loop
|
||||
|
||||
loop:
|
||||
; CHECK: loop:
|
||||
; CHECK: %indvars.iv = phi i64 [ %indvars.iv.next, %loop ], [ 0, %entry ]
|
||||
; CHECK: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
||||
; CHECK: %iv.inc.cmp = icmp ult i64 %indvars.iv.next, [[LEN_ZEXT]]
|
||||
; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 %iv.inc.cmp) [ "deopt"() ]
|
||||
; CHECK: leave:
|
||||
|
||||
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
|
||||
%iv.inc = add i32 %iv, 1
|
||||
|
||||
%iv.sext = sext i32 %iv to i64
|
||||
|
||||
%iv.inc.cmp = icmp slt i32 %iv.inc, %len
|
||||
call void(i1, ...) @llvm.experimental.guard(i1 %iv.inc.cmp) [ "deopt"() ]
|
||||
|
||||
%becond = icmp ne i32 %iv, %n
|
||||
br i1 %becond, label %loop, label %leave
|
||||
|
||||
leave:
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @test_3(i1* %cond_buf, i32* %len_buf) {
|
||||
; CHECK-LABEL: @test_3(
|
||||
|
||||
entry:
|
||||
%len = load i32, i32* %len_buf
|
||||
%entry.cond = icmp sgt i32 %len, 0
|
||||
call void(i1, ...) @llvm.experimental.guard(i1 %entry.cond) [ "deopt"() ]
|
||||
br label %loop
|
||||
|
||||
loop:
|
||||
; CHECK: loop:
|
||||
; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 true) [ "deopt"() ]
|
||||
; CHECK: %iv.inc.cmp = icmp slt i32 %iv.inc, %len
|
||||
; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 %iv.inc.cmp) [ "deopt"() ]
|
||||
; CHECK: leave:
|
||||
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
|
||||
%iv.inc = add i32 %iv, 1
|
||||
|
||||
%iv.cmp = icmp slt i32 %iv, %len
|
||||
call void(i1, ...) @llvm.experimental.guard(i1 %iv.cmp) [ "deopt"() ]
|
||||
|
||||
%iv.inc.cmp = icmp slt i32 %iv.inc, %len
|
||||
call void(i1, ...) @llvm.experimental.guard(i1 %iv.inc.cmp) [ "deopt"() ]
|
||||
|
||||
%becond = load volatile i1, i1* %cond_buf
|
||||
br i1 %becond, label %loop, label %leave
|
||||
|
||||
leave:
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @test_4(i1* %cond_buf, i32* %len_buf) {
|
||||
; CHECK-LABEL: @test_4(
|
||||
|
||||
entry:
|
||||
%len = load i32, i32* %len_buf
|
||||
%entry.cond = icmp sgt i32 %len, 0
|
||||
call void(i1, ...) @llvm.experimental.guard(i1 %entry.cond) [ "deopt"() ]
|
||||
br label %loop
|
||||
|
||||
loop:
|
||||
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %be ]
|
||||
%iv.inc = add i32 %iv, 1
|
||||
|
||||
%cond = load volatile i1, i1* %cond_buf
|
||||
br i1 %cond, label %left, label %be
|
||||
|
||||
left:
|
||||
; Does not dominate the backedge, so cannot be used in the inductive proof
|
||||
%iv.inc.cmp = icmp slt i32 %iv.inc, %len
|
||||
call void(i1, ...) @llvm.experimental.guard(i1 %iv.inc.cmp) [ "deopt"() ]
|
||||
br label %be
|
||||
|
||||
be:
|
||||
; CHECK: be:
|
||||
; CHECK-NEXT: %iv.cmp = icmp slt i32 %iv, %len
|
||||
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 %iv.cmp) [ "deopt"() ]
|
||||
; CHECK: leave:
|
||||
|
||||
%iv.cmp = icmp slt i32 %iv, %len
|
||||
call void(i1, ...) @llvm.experimental.guard(i1 %iv.cmp) [ "deopt"() ]
|
||||
|
||||
%becond = load volatile i1, i1* %cond_buf
|
||||
br i1 %becond, label %loop, label %leave
|
||||
|
||||
leave:
|
||||
ret void
|
||||
}
|
||||
Reference in New Issue
Block a user