33830326aa
A function is basically dead when: * it has no uses * it has only self-referencing uses (it's recursive) Differential Revision: https://reviews.llvm.org/D119878
25 lines
985 B
LLVM
25 lines
985 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -function-specialization -force-function-specialization -S < %s | FileCheck %s
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define i32 @main() {
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; CHECK-LABEL: @main(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: tail call void @wombat.1(i8* undef, i64 undef, i64 undef, i32 (i8*, i8*)* bitcast (i32 ()* @quux to i32 (i8*, i8*)*))
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; CHECK-NEXT: tail call void @wombat.2(i8* undef, i64 undef, i64 undef, i32 (i8*, i8*)* bitcast (i32 ()* @eggs to i32 (i8*, i8*)*))
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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(i8* undef, i64 undef, i64 undef, i32 (i8*, i8*)* bitcast (i32 ()* @quux to i32 (i8*, i8*)*))
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tail call void @wombat(i8* undef, i64 undef, i64 undef, i32 (i8*, i8*)* bitcast (i32 ()* @eggs to i32 (i8*, i8*)*))
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ret i32 undef
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}
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declare i32 @quux()
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declare i32 @eggs()
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define internal void @wombat(i8* %arg, i64 %arg1, i64 %arg2, i32 (i8*, i8*)* %arg3) {
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bb4:
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%tmp = tail call i32 %arg3(i8* undef, i8* undef)
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ret void
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}
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