31 lines
908 B
LLVM
31 lines
908 B
LLVM
; RUN: opt < %s -passes=argpromotion -S | FileCheck %s
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; Store instructions are allowed users for byval arguments only.
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define internal void @callee(i32* %arg) nounwind {
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; CHECK-LABEL: define {{[^@]+}}@callee
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; CHECK-SAME: (i32* [[ARG:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TEMP:%.*]] = load i32, i32* [[ARG]], align 4
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; CHECK-NEXT: [[SUM:%.*]] = add i32 [[TEMP]], 1
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; CHECK-NEXT: store i32 [[SUM]], i32* [[ARG]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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%temp = load i32, i32* %arg, align 4
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%sum = add i32 %temp, 1
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store i32 %sum, i32* %arg, align 4
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ret void
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}
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define i32 @caller(i32* %arg) nounwind {
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; CHECK-LABEL: define {{[^@]+}}@caller
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; CHECK-SAME: (i32* [[ARG:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @callee(i32* [[ARG]]) #[[ATTR0]]
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; CHECK-NEXT: ret i32 0
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;
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entry:
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call void @callee(i32* %arg) nounwind
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ret i32 0
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}
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