llvm/test/CodeGen/PowerPC/i1-ext-fold.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s
; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-isel < %s | FileCheck --check-prefix=CHECK-NO-ISEL %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"

; Function Attrs: nounwind readnone
define signext i32 @foo(i32 signext %a, i32 signext %b) #0 {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    cmpw 3, 4
; CHECK-NEXT:    li 3, 0
; CHECK-NEXT:    li 4, 16
; CHECK-NEXT:    isellt 3, 4, 3
; CHECK-NEXT:    blr
;
; CHECK-NO-ISEL-LABEL: foo:
; CHECK-NO-ISEL:       # %bb.0: # %entry
; CHECK-NO-ISEL-NEXT:    cmpw 3, 4
; CHECK-NO-ISEL-NEXT:    li 3, 16
; CHECK-NO-ISEL-NEXT:    bclr 12, 0, 0
; CHECK-NO-ISEL-NEXT:  # %bb.1: # %entry
; CHECK-NO-ISEL-NEXT:    li 3, 0
; CHECK-NO-ISEL-NEXT:    blr
entry:
  %cmp = icmp slt i32 %a, %b
  %conv = zext i1 %cmp to i32
  %shl = shl nuw nsw i32 %conv, 4
  ret i32 %shl


}

; Function Attrs: nounwind readnone
define signext i32 @foo2(i32 signext %a, i32 signext %b) #0 {
; CHECK-LABEL: foo2:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    cmpw 3, 4
; CHECK-NEXT:    li 3, 5
; CHECK-NEXT:    li 4, 21
; CHECK-NEXT:    isellt 3, 4, 3
; CHECK-NEXT:    blr
;
; CHECK-NO-ISEL-LABEL: foo2:
; CHECK-NO-ISEL:       # %bb.0: # %entry
; CHECK-NO-ISEL-NEXT:    cmpw 3, 4
; CHECK-NO-ISEL-NEXT:    li 3, 21
; CHECK-NO-ISEL-NEXT:    bclr 12, 0, 0
; CHECK-NO-ISEL-NEXT:  # %bb.1: # %entry
; CHECK-NO-ISEL-NEXT:    li 3, 5
; CHECK-NO-ISEL-NEXT:    blr
entry:
  %cmp = icmp slt i32 %a, %b
  %conv = zext i1 %cmp to i32
  %shl = shl nuw nsw i32 %conv, 4
  %add1 = or i32 %shl, 5
  ret i32 %add1


}

; Function Attrs: nounwind readnone
define signext i32 @foo3(i32 signext %a, i32 signext %b) #0 {
; CHECK-LABEL: foo3:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    cmpw 3, 4
; CHECK-NEXT:    li 3, 16
; CHECK-NEXT:    iselgt 3, 0, 3
; CHECK-NEXT:    blr
;
; CHECK-NO-ISEL-LABEL: foo3:
; CHECK-NO-ISEL:       # %bb.0: # %entry
; CHECK-NO-ISEL-NEXT:    cmpw 3, 4
; CHECK-NO-ISEL-NEXT:    li 3, 0
; CHECK-NO-ISEL-NEXT:    bclr 12, 1, 0
; CHECK-NO-ISEL-NEXT:  # %bb.1: # %entry
; CHECK-NO-ISEL-NEXT:    li 3, 16
; CHECK-NO-ISEL-NEXT:    blr
entry:
  %cmp = icmp sle i32 %a, %b
  %conv = zext i1 %cmp to i32
  %shl = shl nuw nsw i32 %conv, 4
  ret i32 %shl


}

attributes #0 = { nounwind readnone }