1 ; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s 2 ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -ppc-gen-isel=false < %s | FileCheck --check-prefix=CHECK-NO-ISEL %s 3 target datalayout = "E-m:e-i64:64-n32:64" 4 target triple = "powerpc64-unknown-linux-gnu" 5 6 ; Function Attrs: nounwind readnone 7 define signext i32 @foo(i32 signext %a, i32 signext %b) #0 { 8 entry: 9 %cmp = icmp slt i32 %a, %b 10 %conv = zext i1 %cmp to i32 11 %shl = shl nuw nsw i32 %conv, 4 12 ret i32 %shl 13 14 ; CHECK-LABEL: @foo 15 ; CHECK-NO-ISEL-LABEL: @foo 16 ; CHECK-DAG: cmpw 17 ; CHECK-DAG: li [[REG1:[0-9]+]], 0 18 ; CHECK-DAG: li [[REG2:[0-9]+]], 16 19 ; CHECK: isel 3, [[REG2]], [[REG1]], 20 ; CHECK: blr 21 22 ; CHECK-NO-ISEL: bclr 12, 0, 0 23 ; CHECK-NO-ISEL: ori 3, 5, 0 24 ; CHECK-NO-ISEL-NEXT: blr 25 } 26 27 ; Function Attrs: nounwind readnone 28 define signext i32 @foo2(i32 signext %a, i32 signext %b) #0 { 29 entry: 30 %cmp = icmp slt i32 %a, %b 31 %conv = zext i1 %cmp to i32 32 %shl = shl nuw nsw i32 %conv, 4 33 %add1 = or i32 %shl, 5 34 ret i32 %add1 35 36 ; CHECK-LABEL: @foo2 37 ; CHECK-NO-ISEL-LABEL: @foo2 38 ; CHECK-DAG: cmpw 39 ; CHECK-DAG: li [[REG1:[0-9]+]], 5 40 ; CHECK-DAG: li [[REG2:[0-9]+]], 21 41 ; CHECK: isel 3, [[REG2]], [[REG1]], 42 ; CHECK: blr 43 44 ; CHECK-NO-ISEL: bclr 12, 0, 0 45 ; CHECK-NO-ISEL: ori 3, 5, 0 46 ; CHECK-NO-ISEL-NEXT: blr 47 } 48 49 ; Function Attrs: nounwind readnone 50 define signext i32 @foo3(i32 signext %a, i32 signext %b) #0 { 51 entry: 52 %cmp = icmp sle i32 %a, %b 53 %conv = zext i1 %cmp to i32 54 %shl = shl nuw nsw i32 %conv, 4 55 ret i32 %shl 56 57 ; CHECK-LABEL: @foo3 58 ; CHECK-NO-ISEL-LABEL: @foo3 59 ; CHECK-DAG: cmpw 60 ; CHECK-DAG: li [[REG1:[0-9]+]], 16 61 ; CHECK: isel 3, 0, [[REG1]], 62 ; CHECK: blr 63 64 ; CHECK-NO-ISEL: bc 12, 1, [[TRUE:.LBB[0-9]+]] 65 ; CHECK-NO-ISEL: ori 3, 5, 0 66 ; CHECK-NO-ISEL-NEXT: blr 67 ; CHECK-NO-ISEL-NEXT: [[TRUE]] 68 ; CHECK-NO-ISEL-NEXT: addi 3, 0, 0 69 ; CHECK-NO-ISEL-NEXT: blr 70 } 71 72 attributes #0 = { nounwind readnone } 73 74
