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