| ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -disable-ppc-preinc-prep < %s | FileCheck %s |
| ; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s -check-prefix=PIP |
| target datalayout = "E-m:e-i64:64-n32:64" |
| target triple = "powerpc64-unknown-linux-gnu" |
| |
| ; Function Attrs: nounwind |
| define double @foo() #1 { |
| entry: |
| %x = alloca [2048 x float], align 4 |
| %y = alloca [2048 x float], align 4 |
| %0 = bitcast [2048 x float]* %x to i8* |
| call void @llvm.lifetime.start.p0i8(i64 8192, i8* %0) #2 |
| %1 = bitcast [2048 x float]* %y to i8* |
| call void @llvm.lifetime.start.p0i8(i64 8192, i8* %1) #2 |
| br label %for.body.i |
| |
| ; CHECK-LABEL: @foo |
| ; CHECK: addi [[REG1:[0-9]+]], 1, |
| ; CHECK: addi [[REG2:[0-9]+]], 1, |
| ; CHECK: %for.body.i |
| ; CHECK-DAG: lfsx {{[0-9]+}}, [[REG1]], |
| ; CHECK-DAG: lfsx {{[0-9]+}}, [[REG2]], |
| ; CHECK: blr |
| |
| ; PIP-LABEL: @foo |
| ; PIP: addi [[REG1:[0-9]+]], 1, |
| ; PIP: addi [[REG2:[0-9]+]], 1, |
| ; PIP: %for.body.i |
| ; PIP-DAG: lfsu {{[0-9]+}}, 4([[REG1]]) |
| ; PIP-DAG: lfsu {{[0-9]+}}, 4([[REG2]]) |
| ; PIP: blr |
| |
| for.body.i: ; preds = %for.body.i.preheader, %for.body.i |
| %accumulator.09.i = phi double [ %add.i, %for.body.i ], [ 0.000000e+00, %entry ] |
| %i.08.i = phi i64 [ %inc.i, %for.body.i ], [ 0, %entry ] |
| %arrayidx.i = getelementptr inbounds [2048 x float], [2048 x float]* %x, i64 0, i64 %i.08.i |
| %v14 = load float, float* %arrayidx.i, align 4 |
| %conv.i = fpext float %v14 to double |
| %arrayidx1.i = getelementptr inbounds [2048 x float], [2048 x float]* %y, i64 0, i64 %i.08.i |
| %v15 = load float, float* %arrayidx1.i, align 4 |
| %conv2.i = fpext float %v15 to double |
| %mul.i = fmul double %conv.i, %conv2.i |
| %add.i = fadd double %accumulator.09.i, %mul.i |
| %inc.i = add nuw nsw i64 %i.08.i, 1 |
| %exitcond.i = icmp eq i64 %i.08.i, 2047 |
| br i1 %exitcond.i, label %loop.exit, label %for.body.i |
| |
| loop.exit: ; preds = %for.body.i |
| ret double %accumulator.09.i |
| } |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #2 |
| |
| declare void @bar(float*, float*) |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #2 |
| |
| attributes #0 = { nounwind readonly } |
| attributes #1 = { nounwind } |
| attributes #2 = { nounwind } |
| |
| |