f952bc05fd
Required for D140210 in order to disable FuncSpec at {Os, Oz}
optimization levels.
Differential Revision: https://reviews.llvm.org/D140564
31 lines
973 B
LLVM
31 lines
973 B
LLVM
; RUN: opt -passes="ipsccp<func-spec>" -force-function-specialization -S < %s | FileCheck %s
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; Check that we don't crash and specialise on a function call with byval attribute.
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; CHECK-NOT: wombat.{{[0-9]+}}
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declare ptr @quux()
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declare ptr @eggs()
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define i32 @main() {
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; CHECK: bb:
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; CHECK-NEXT: tail call void @wombat(ptr undef, i64 undef, i64 undef, ptr byval(i32) @quux)
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; CHECK-NEXT: tail call void @wombat(ptr undef, i64 undef, i64 undef, ptr byval(i32) @eggs)
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; CHECK-NEXT: ret i32 undef
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;
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bb:
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tail call void @wombat(ptr undef, i64 undef, i64 undef, ptr byval(i32) @quux)
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tail call void @wombat(ptr undef, i64 undef, i64 undef, ptr byval(i32) @eggs)
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ret i32 undef
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}
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define internal void @wombat(ptr %arg, i64 %arg1, i64 %arg2, ptr byval(i32) %func) {
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; CHECK: bb2:
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; CHECK-NEXT: [[TMP:%.*]] = tail call ptr %func(ptr undef, ptr undef)
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; CHECK-NEXT: ret void
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;
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bb2:
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%tmp = tail call ptr %func(ptr undef, ptr undef)
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ret void
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}
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