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ffa26401ac
This is D77454, except for stores. All the infrastructure work was done for loads, so the remaining changes necessary are relatively small. Differential Revision: https://reviews.llvm.org/D79968
27 lines
545 B
LLVM
27 lines
545 B
LLVM
; RUN: opt < %s -debugify -instcombine -S | FileCheck %s
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declare i32 @escape(i32)
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; CHECK-LABEL: define {{.*}}@foo(
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define i32 @foo() {
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entry:
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%baz = alloca i32
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br i1 undef, label %lhs, label %rhs
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lhs:
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store i32 1, i32* %baz
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br label %cleanup
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rhs:
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store i32 2, i32* %baz
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br label %cleanup
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cleanup:
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; CHECK: %storemerge = phi i32 [ 2, %rhs ], [ 1, %lhs ], !dbg [[merge_loc:![0-9]+]]
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%baz.val = load i32, i32* %baz
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%ret.val = call i32 @escape(i32 %baz.val)
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ret i32 %ret.val
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}
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; CHECK: [[merge_loc]] = !DILocation(line: 0
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