29 lines
1020 B
LLVM
29 lines
1020 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -instcombine < %s | FileCheck %s --check-prefix=DEFAULT
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; RUN: opt -S -instcombine -expensive-combines=1 < %s | FileCheck %s --check-prefix=EXPENSIVE-ON
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; RUN: opt -S -instcombine -expensive-combines=0 < %s | FileCheck %s --check-prefix=EXPENSIVE-OFF
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define void @test() {
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; DEFAULT-LABEL: @test(
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; DEFAULT-NEXT: [[CALL:%.*]] = call i32 @passthru(i32 0)
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; DEFAULT-NEXT: call void @sink(i32 0)
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; DEFAULT-NEXT: ret void
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;
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; EXPENSIVE-ON-LABEL: @test(
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; EXPENSIVE-ON-NEXT: [[CALL:%.*]] = call i32 @passthru(i32 0)
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; EXPENSIVE-ON-NEXT: call void @sink(i32 0)
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; EXPENSIVE-ON-NEXT: ret void
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;
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; EXPENSIVE-OFF-LABEL: @test(
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; EXPENSIVE-OFF-NEXT: [[CALL:%.*]] = call i32 @passthru(i32 0)
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; EXPENSIVE-OFF-NEXT: call void @sink(i32 [[CALL]])
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; EXPENSIVE-OFF-NEXT: ret void
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;
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%call = call i32 @passthru(i32 0)
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call void @sink(i32 %call)
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ret void
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}
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declare i32 @passthru(i32 returned)
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declare void @sink(i32)
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