1; RUN: llc -verify-machineinstrs -mcpu=pwr7 -disable-ppc-instr-form-prep < %s | FileCheck %s 2; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s -check-prefix=PIP 3target datalayout = "E-m:e-i64:64-n32:64" 4target triple = "powerpc64-unknown-linux-gnu" 5 6; Function Attrs: nounwind 7define double @foo() #1 { 8entry: 9 %x = alloca [2048 x float], align 4 10 %y = alloca [2048 x float], align 4 11 %0 = bitcast [2048 x float]* %x to i8* 12 call void @llvm.lifetime.start.p0i8(i64 8192, i8* %0) #2 13 %1 = bitcast [2048 x float]* %y to i8* 14 call void @llvm.lifetime.start.p0i8(i64 8192, i8* %1) #2 15 br label %for.body.i 16 17; CHECK-LABEL: @foo 18; CHECK: addi [[REG1:[0-9]+]], 1, 19; CHECK: addi [[REG2:[0-9]+]], 1, 20; CHECK: li [[REG3:[0-9]+]], 0 21; CHECK: %for.body.i 22; CHECK-DAG: lfsx {{[0-9]+}}, [[REG1]], [[REG3]] 23; CHECK-DAG: lfsx {{[0-9]+}}, [[REG2]], [[REG3]] 24; CHECK: blr 25 26; PIP-LABEL: @foo 27; PIP: addi [[REG1:[0-9]+]], 1, 28; PIP: addi [[REG2:[0-9]+]], 1, 29; PIP: %for.body.i 30; PIP-DAG: lfsu {{[0-9]+}}, 4([[REG1]]) 31; PIP-DAG: lfsu {{[0-9]+}}, 4([[REG2]]) 32; PIP: blr 33 34for.body.i: ; preds = %for.body.i.preheader, %for.body.i 35 %accumulator.09.i = phi double [ %add.i, %for.body.i ], [ 0.000000e+00, %entry ] 36 %i.08.i = phi i64 [ %inc.i, %for.body.i ], [ 0, %entry ] 37 %arrayidx.i = getelementptr inbounds [2048 x float], [2048 x float]* %x, i64 0, i64 %i.08.i 38 %v14 = load float, float* %arrayidx.i, align 4 39 %conv.i = fpext float %v14 to double 40 %arrayidx1.i = getelementptr inbounds [2048 x float], [2048 x float]* %y, i64 0, i64 %i.08.i 41 %v15 = load float, float* %arrayidx1.i, align 4 42 %conv2.i = fpext float %v15 to double 43 %mul.i = fmul double %conv.i, %conv2.i 44 %add.i = fadd double %accumulator.09.i, %mul.i 45 %inc.i = add nuw nsw i64 %i.08.i, 1 46 %exitcond.i = icmp eq i64 %i.08.i, 2047 47 br i1 %exitcond.i, label %loop.exit, label %for.body.i 48 49loop.exit: ; preds = %for.body.i 50 ret double %accumulator.09.i 51} 52 53; Function Attrs: nounwind 54declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #2 55 56declare void @bar(float*, float*) 57 58; Function Attrs: nounwind 59declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #2 60 61attributes #0 = { nounwind readonly } 62attributes #1 = { nounwind } 63attributes #2 = { nounwind } 64 65 66