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80 lines
2.0 KiB
LLVM
80 lines
2.0 KiB
LLVM
; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s
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; RUN: llc -verify-machineinstrs -mcpu=pwr7 -ppc-gen-isel=false < %s | FileCheck --check-prefix=CHECK-NO-ISEL %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 @foo(i32 signext %a, i32 signext %b) #0 {
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entry:
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%cmp = icmp slt i32 %a, %b
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%conv = zext i1 %cmp to i32
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%shl = shl nuw nsw i32 %conv, 4
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ret i32 %shl
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; CHECK-LABEL: @foo
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; CHECK-NO-ISEL-LABEL: @foo
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; CHECK-DAG: cmpw
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; CHECK-DAG: li [[REG1:[0-9]+]], 0
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; CHECK-DAG: li [[REG2:[0-9]+]], 16
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; CHECK: isel 3, [[REG2]], [[REG1]],
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; CHECK: blr
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; CHECK-NO-ISEL: bc 12, 0, [[TRUE:.LBB[0-9]+]]
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; CHECK-NO-ISEL: ori 3, 5, 0
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; CHECK-NO-ISEL-NEXT: blr
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; CHECK-NO-ISEL-NEXT: [[TRUE]]
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; CHECK-NO-ISEL-NEXT: addi 3, 12, 0
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; CHECK-NO-ISEL-NEXT: blr
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}
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; Function Attrs: nounwind readnone
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define signext i32 @foo2(i32 signext %a, i32 signext %b) #0 {
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entry:
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%cmp = icmp slt i32 %a, %b
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%conv = zext i1 %cmp to i32
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%shl = shl nuw nsw i32 %conv, 4
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%add1 = or i32 %shl, 5
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ret i32 %add1
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; CHECK-LABEL: @foo2
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; CHECK-NO-ISEL-LABEL: @foo2
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; CHECK-DAG: cmpw
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; CHECK-DAG: li [[REG1:[0-9]+]], 5
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; CHECK-DAG: li [[REG2:[0-9]+]], 21
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; CHECK: isel 3, [[REG2]], [[REG1]],
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; CHECK: blr
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; CHECK-NO-ISEL: bc 12, 0, [[TRUE:.LBB[0-9]+]]
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; CHECK-NO-ISEL: ori 3, 5, 0
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; CHECK-NO-ISEL-NEXT: blr
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; CHECK-NO-ISEL-NEXT: [[TRUE]]
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; CHECK-NO-ISEL-NEXT: addi 3, 12, 0
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; CHECK-NO-ISEL-NEXT: blr
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}
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; Function Attrs: nounwind readnone
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define signext i32 @foo3(i32 signext %a, i32 signext %b) #0 {
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entry:
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%cmp = icmp sle i32 %a, %b
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%conv = zext i1 %cmp to i32
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%shl = shl nuw nsw i32 %conv, 4
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ret i32 %shl
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; CHECK-LABEL: @foo3
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; CHECK-NO-ISEL-LABEL: @foo3
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; CHECK-DAG: cmpw
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; CHECK-DAG: li [[REG1:[0-9]+]], 16
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; CHECK: isel 3, 0, [[REG1]],
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; CHECK: blr
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; CHECK-NO-ISEL: bc 12, 1, [[TRUE:.LBB[0-9]+]]
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; CHECK-NO-ISEL: ori 3, 5, 0
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; CHECK-NO-ISEL-NEXT: blr
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; CHECK-NO-ISEL-NEXT: [[TRUE]]
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; CHECK-NO-ISEL-NEXT: addi 3, 0, 0
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; CHECK-NO-ISEL-NEXT: blr
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}
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attributes #0 = { nounwind readnone }
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