33 lines
1.1 KiB
LLVM
33 lines
1.1 KiB
LLVM
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; RUN: opt -S -licm < %s | FileCheck %s --check-prefix=IR-AFTER-TRANSFORM
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; RUN: opt -analyze -scalar-evolution -licm -scalar-evolution -enable-new-pm=0 < %s | FileCheck %s --check-prefix=SCEV-EXPRS
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; RUN: opt -passes='print<scalar-evolution>,loop(licm),print<scalar-evolution>' -disable-output < %s 2>&1 | FileCheck %s --check-prefix=SCEV-EXPRS
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declare void @clobber()
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define void @f_0(i1* %loc) {
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; IR-AFTER-TRANSFORM-LABEL: @f_0(
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; IR-AFTER-TRANSFORM: loop.outer:
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; IR-AFTER-TRANSFORM-NEXT: call void @clobber()
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; IR-AFTER-TRANSFORM-NEXT: %cond = load i1, i1* %loc
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; IR-AFTER-TRANSFORM-NEXT: br label %loop.inner
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; SCEV-EXPRS: Classifying expressions for: @f_0
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; SCEV-EXPRS: Classifying expressions for: @f_0
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; SCEV-EXPRS: %cond = load i1, i1* %loc
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; SCEV-EXPRS-NEXT: --> {{.*}} LoopDispositions: { %loop.outer: Variant, %loop.inner: Invariant }
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entry:
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br label %loop.outer
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loop.outer:
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call void @clobber()
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br label %loop.inner
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loop.inner:
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%cond = load i1, i1* %loc
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br i1 %cond, label %loop.inner, label %leave.inner
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leave.inner:
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br label %loop.outer
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}
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