33 lines
1.2 KiB
LLVM
33 lines
1.2 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
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; RUN: opt -passes=argpromotion -S %s | FileCheck %s
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@glob = external global ptr
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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(ptr %ptr) {
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; CHECK-LABEL: define {{[^@]+}}@caller
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; CHECK-SAME: (ptr [[PTR:%.*]]) {
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; CHECK-NEXT: call void @callee(ptr [[PTR]], ptr [[PTR]], ptr [[PTR]])
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; CHECK-NEXT: ret i32 0
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;
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call void @callee(ptr %ptr, ptr %ptr, ptr %ptr)
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ret i32 0
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}
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define internal void @callee(ptr %arg, ptr %arg1, ptr %arg2) {
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; CHECK-LABEL: define {{[^@]+}}@callee
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; CHECK-SAME: (ptr [[ARG:%.*]], ptr [[ARG1:%.*]], ptr [[ARG2:%.*]]) {
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; CHECK-NEXT: call void @external_fn(ptr [[ARG]], ptr [[ARG1]])
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; CHECK-NEXT: [[DEAD_GEP:%.*]] = getelementptr inbounds i32, ptr [[ARG1]], i32 17
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; CHECK-NEXT: store ptr [[ARG2]], ptr @glob, align 8
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; CHECK-NEXT: ret void
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;
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call void @external_fn(ptr %arg, ptr %arg1)
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%dead.gep = getelementptr inbounds i32, ptr %arg1, i32 17
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store ptr %arg2, ptr @glob, align 8
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ret void
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}
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declare void @external_fn(ptr, ptr)
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