1 ; RUN: llc -mcpu=pwr7 < %s | FileCheck %s 2 target datalayout = "E-m:e-i64:64-n32:64" 3 target triple = "powerpc64-unknown-linux-gnu" 4 5 define i32 @test1() #0 { 6 entry: 7 %conv67.reload = load i32, i32* undef 8 %const = bitcast i32 65535 to i32 9 br label %next 10 11 next: 12 %shl161 = shl nuw nsw i32 %conv67.reload, 15 13 %0 = load i8, i8* undef, align 1 14 %conv169 = zext i8 %0 to i32 15 %shl170 = shl nuw nsw i32 %conv169, 7 16 %const_mat = add i32 %const, -32767 17 %shl161.masked = and i32 %shl161, %const_mat 18 %conv174 = or i32 %shl170, %shl161.masked 19 ret i32 %conv174 20 21 ; CHECK-LABEL: @test1 22 ; CHECK-NOT: rlwimi 3, {{[0-9]+}}, 15, 0, 16 23 ; CHECK: blr 24 } 25 26 define i32 @test2() #0 { 27 entry: 28 %conv67.reload = load i32, i32* undef 29 %const = bitcast i32 65535 to i32 30 br label %next 31 32 next: 33 %shl161 = shl nuw nsw i32 %conv67.reload, 15 34 %0 = load i8, i8* undef, align 1 35 %conv169 = zext i8 %0 to i32 36 %shl170 = shl nuw nsw i32 %conv169, 7 37 %shl161.masked = and i32 %shl161, 32768 38 %conv174 = or i32 %shl170, %shl161.masked 39 ret i32 %conv174 40 41 ; CHECK-LABEL: @test2 42 ; CHECK: slwi 3, {{[0-9]+}}, 7 43 ; CHECK: rlwimi 3, {{[0-9]+}}, 15, 16, 16 44 ; CHECK: blr 45 } 46 47 attributes #0 = { nounwind } 48 49
