44 lines
1.1 KiB
LLVM
44 lines
1.1 KiB
LLVM
; RUN: llc -mcpu=pwr7 < %s | FileCheck %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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; Function Attrs: nounwind readnone
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define signext i32 @crbitsoff(i32 signext %v1, i32 signext %v2) #0 {
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entry:
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%tobool = icmp ne i32 %v1, 0
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%lnot = icmp eq i32 %v2, 0
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%and3 = and i1 %tobool, %lnot
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%and = zext i1 %and3 to i32
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ret i32 %and
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; CHECK-LABEL: @crbitsoff
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; CHECK-DAG: cmplwi {{[0-9]+}}, 3, 0
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; CHECK-DAG: li [[REG2:[0-9]+]], 1
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; CHECK-DAG: cntlzw [[REG3:[0-9]+]],
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; CHECK: isel [[REG4:[0-9]+]], 0, [[REG2]]
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; CHECK: and 3, [[REG4]], [[REG3]]
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; CHECK: blr
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}
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define signext i32 @crbitson(i32 signext %v1, i32 signext %v2) #1 {
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entry:
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%tobool = icmp ne i32 %v1, 0
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%lnot = icmp eq i32 %v2, 0
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%and3 = and i1 %tobool, %lnot
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%and = zext i1 %and3 to i32
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ret i32 %and
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; CHECK-LABEL: @crbitson
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; CHECK-DAG: cmpwi {{[0-9]+}}, 3, 0
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; CHECK-DAG: cmpwi {{[0-9]+}}, 4, 0
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; CHECK-DAG: li [[REG2:[0-9]+]], 1
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; CHECK-DAG: crorc [[REG3:[0-9]+]],
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; CHECK: isel 3, 0, [[REG2]], [[REG3]]
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; CHECK: blr
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}
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attributes #0 = { nounwind readnone "target-features"="-crbits" }
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attributes #1 = { nounwind readnone }
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