| ; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s |
| target datalayout = "E-m:e-i64:64-n32:64" |
| target triple = "powerpc64-unknown-linux-gnu" |
| |
| define i32 @test1() #0 { |
| entry: |
| %conv67.reload = load i32, i32* undef |
| %const = bitcast i32 65535 to i32 |
| br label %next |
| |
| next: |
| %shl161 = shl nuw nsw i32 %conv67.reload, 15 |
| %0 = load i8, i8* undef, align 1 |
| %conv169 = zext i8 %0 to i32 |
| %shl170 = shl nuw nsw i32 %conv169, 7 |
| %const_mat = add i32 %const, -32767 |
| %shl161.masked = and i32 %shl161, %const_mat |
| %conv174 = or i32 %shl170, %shl161.masked |
| ret i32 %conv174 |
| |
| ; CHECK-LABEL: @test1 |
| ; CHECK-NOT: rlwimi 3, {{[0-9]+}}, 15, 0, 16 |
| ; CHECK: blr |
| } |
| |
| define i32 @test2() #0 { |
| entry: |
| %conv67.reload = load i32, i32* undef |
| %const = bitcast i32 65535 to i32 |
| br label %next |
| |
| next: |
| %shl161 = shl nuw nsw i32 %conv67.reload, 15 |
| %0 = load i8, i8* undef, align 1 |
| %conv169 = zext i8 %0 to i32 |
| %shl170 = shl nuw nsw i32 %conv169, 7 |
| %shl161.masked = and i32 %shl161, 32768 |
| %conv174 = or i32 %shl170, %shl161.masked |
| ret i32 %conv174 |
| |
| ; CHECK-LABEL: @test2 |
| ; CHECK: slwi 3, {{[0-9]+}}, 7 |
| ; CHECK: rlwimi 3, {{[0-9]+}}, 15, 16, 16 |
| ; CHECK: blr |
| } |
| |
| attributes #0 = { nounwind } |
| |