28 lines
554 B
LLVM
28 lines
554 B
LLVM
; RUN: opt < %s -argpromotion -S | FileCheck %s
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; RUN: opt < %s -passes=argpromotion -S | FileCheck %s
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; Don't promote around control flow.
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define internal i32 @callee(i1 %C, i32* %P) {
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; CHECK-LABEL: define internal i32 @callee(
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; CHECK: i1 %C, i32* %P)
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entry:
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br i1 %C, label %T, label %F
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T:
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ret i32 17
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F:
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%X = load i32, i32* %P
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ret i32 %X
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}
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define i32 @foo() {
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; CHECK-LABEL: define i32 @foo(
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entry:
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; CHECK-NOT: load i32, i32* null
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%X = call i32 @callee(i1 true, i32* null)
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; CHECK: call i32 @callee(i1 true, i32* null)
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ret i32 %X
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}
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