31 lines
1.1 KiB
LLVM
31 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -argpromotion -S %s | FileCheck %s
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@glob = external global i32*
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; No arguments in @callee can be promoted, but it contains a dead GEP. Make
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; sure it is not removed, as we do not perform any promotion.
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define i32 @caller(i32* %ptr) {
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; CHECK-LABEL: @caller(
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; CHECK-NEXT: call void @callee(i32* [[PTR:%.*]], i32* [[PTR]], i32* [[PTR]])
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; CHECK-NEXT: ret i32 0
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;
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call void @callee(i32* %ptr, i32* %ptr, i32* %ptr)
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ret i32 0
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}
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define internal void @callee(i32* %arg, i32* %arg1, i32* %arg2) {
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; CHECK-LABEL: define internal void @callee(
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; CHECK-NEXT: call void @external_fn(i32* [[ARG:%.*]], i32* [[ARG1:%.*]])
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; CHECK-NEXT: [[DEAD_GEP:%.*]] = getelementptr inbounds i32, i32* [[ARG1]], i32 17
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; CHECK-NEXT: store i32* [[ARG2:%.*]], i32** @glob, align 8
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; CHECK-NEXT: ret void
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;
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call void @external_fn(i32* %arg, i32* %arg1)
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%dead.gep = getelementptr inbounds i32, i32* %arg1, i32 17
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store i32* %arg2, i32** @glob, align 8
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ret void
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}
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declare void @external_fn(i32*, i32*)
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