| ; 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 } |
| |