07d16424f2
When we replace constant returns at the call site we did issue a cast in the hopes it would be a no-op if the types are equal. Turns out that is not the case and we have to check it ourselves first. Reused an IPConstantProp test for coverage. No functional change to the test wrt. IPConstantProp.
36 lines
1.2 KiB
LLVM
36 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -S -ipconstprop | FileCheck %s --check-prefixes=ALL,IPCP
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; RUN: opt -S -passes=attributor -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=1 < %s | FileCheck %s --check-prefixes=ALL,ATTRIBUTOR
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%struct.wobble = type { i32 }
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%struct.zot = type { %struct.wobble, %struct.wobble, %struct.wobble }
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declare dso_local fastcc float @bar(%struct.wobble* noalias, <8 x i32>) unnamed_addr
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define %struct.zot @widget(<8 x i32> %arg) local_unnamed_addr {
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; ALL-LABEL: @widget(
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; ALL-NEXT: bb:
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; ALL-NEXT: ret [[STRUCT_ZOT:%.*]] undef
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;
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bb:
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ret %struct.zot undef
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}
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define void @baz(<8 x i32> %arg) local_unnamed_addr {
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; IPCP-LABEL: @baz(
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; IPCP-NEXT: bb:
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; IPCP-NEXT: [[TMP:%.*]] = call [[STRUCT_ZOT:%.*]] @widget(<8 x i32> [[ARG:%.*]])
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; IPCP-NEXT: [[TMP1:%.*]] = extractvalue [[STRUCT_ZOT]] %tmp, 0, 0
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; IPCP-NEXT: ret void
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;
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; ATTRIBUTOR-LABEL: @baz(
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; ATTRIBUTOR-NEXT: bb:
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; ATTRIBUTOR-NEXT: [[TMP1:%.*]] = extractvalue [[STRUCT_ZOT:%.*]] undef, 0, 0
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; ATTRIBUTOR-NEXT: ret void
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;
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bb:
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%tmp = call %struct.zot @widget(<8 x i32> %arg)
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%tmp1 = extractvalue %struct.zot %tmp, 0, 0
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ret void
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}
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