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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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39
external/llvm/test/Transforms/IndVarSimplify/pr32045.ll vendored
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@ -1,39 +0,0 @@
; RUN: opt -S -indvars < %s | FileCheck %s
; This is not an IndVarSimplify bug, but the original symptom
; manifested as one.
define i32 @foo(i32 %a, i32 %b, i32 %c, i32* %sink) {
; CHECK-LABEL: @foo(
; CHECK: for.end:
; CHECK-NEXT: [[SHR:%.*]] = ashr i32 %neg3, -1
; CHECK-NEXT: [[SUB:%.*]] = sub nsw i32 0, [[SHR]]
; CHECK-NEXT: [[SHR1:%.*]] = ashr i32 [[SUB]], [[B:%.*]]
; CHECK-NEXT: [[NEG:%.*]] = xor i32 [[SHR1]], -1
; CHECK-NEXT: store i32 [[NEG]], i32* %sink
;
entry:
%tobool2 = icmp eq i32 %a, 0
br i1 %tobool2, label %exit, label %preheader
preheader:
%neg3 = phi i32 [ %c, %entry ], [ %neg, %for.end ]
br label %for
for:
%p = phi i32 [ %dec, %for ], [ 1, %preheader ]
%cmp = icmp sgt i32 %p, -1
%dec = add nsw i32 %p, -1
br i1 %cmp, label %for, label %for.end
for.end:
%shr = ashr i32 %neg3, %p
%sub = sub nsw i32 0, %shr
%shr1 = ashr i32 %sub, %b
%neg = xor i32 %shr1, -1
store i32 %neg, i32* %sink
br i1 false, label %exit, label %preheader
exit:
ret i32 0
}