21 lines
652 B
LLVM
21 lines
652 B
LLVM
; This run line verifies that we get the expected constant fold.
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; RUN: opt < %s -instcombine -S | FileCheck %s
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; This run line verifies that InstructionCombiningPass::runOnFunction reports
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; this as a modification of the IR.
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; RUN: opt < %s -instcombine -disable-output -debug-pass=Details 2>&1 | FileCheck %s --check-prefix=DETAILS
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define i32 @foo(i32 %arg) #0 {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[AND:%.*]] = and i32 [[ARG:%.*]], 7
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; CHECK-NEXT: ret i32 [[AND]]
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;
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entry:
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%or = or i32 0, 7
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%and = and i32 %arg, %or
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ret i32 %and
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}
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; DETAILS: Made Modification 'Combine redundant instructions' on Function 'foo'
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