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Diffstat (limited to 'test/CodeGen/PowerPC/loop-data-prefetch-inner.ll')
-rw-r--r-- | test/CodeGen/PowerPC/loop-data-prefetch-inner.ll | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/loop-data-prefetch-inner.ll b/test/CodeGen/PowerPC/loop-data-prefetch-inner.ll new file mode 100644 index 0000000..adcc7b9 --- /dev/null +++ b/test/CodeGen/PowerPC/loop-data-prefetch-inner.ll @@ -0,0 +1,66 @@ +; RUN: llc < %s | FileCheck %s +target datalayout = "E-m:e-i64:64-n32:64" +target triple = "powerpc64-bgq-linux" + +; Function Attrs: nounwind +define void @foo(double* %x, double* nocapture readonly %y) #0 { +entry: + %scevgep = getelementptr double, double* %x, i64 1599 + %scevgep20 = getelementptr double, double* %y, i64 1599 + br label %vector.memcheck + +vector.memcheck: ; preds = %for.end, %entry + %j.015 = phi i32 [ 0, %entry ], [ %inc7, %for.end ] + %bound0 = icmp uge double* %scevgep20, %x + %bound1 = icmp uge double* %scevgep, %y + %memcheck.conflict = and i1 %bound0, %bound1 + br i1 %memcheck.conflict, label %middle.block, label %vector.body + +vector.body: ; preds = %vector.memcheck, %vector.body + %index = phi i64 [ %index.next, %vector.body ], [ 0, %vector.memcheck ] + %0 = getelementptr inbounds double, double* %y, i64 %index + %1 = bitcast double* %0 to <4 x double>* + %wide.load = load <4 x double>, <4 x double>* %1, align 8 + %2 = fadd <4 x double> %wide.load, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> + %3 = getelementptr inbounds double, double* %x, i64 %index + %4 = bitcast double* %3 to <4 x double>* + store <4 x double> %2, <4 x double>* %4, align 8 + %index.next = add i64 %index, 4 + %5 = icmp eq i64 %index.next, 1600 + br i1 %5, label %middle.block, label %vector.body + +middle.block: ; preds = %vector.body, %vector.memcheck + %resume.val = phi i1 [ false, %vector.memcheck ], [ true, %vector.body ] + %trunc.resume.val = phi i64 [ 0, %vector.memcheck ], [ 1600, %vector.body ] + br i1 %resume.val, label %for.end, label %for.body3 + +for.body3: ; preds = %middle.block, %for.body3 + %indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ %trunc.resume.val, %middle.block ] + %arrayidx = getelementptr inbounds double, double* %y, i64 %indvars.iv + %6 = load double, double* %arrayidx, align 8 + %add = fadd double %6, 1.000000e+00 + %arrayidx5 = getelementptr inbounds double, double* %x, i64 %indvars.iv + store double %add, double* %arrayidx5, align 8 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %exitcond = icmp eq i64 %indvars.iv.next, 1600 + br i1 %exitcond, label %for.end, label %for.body3 + +for.end: ; preds = %middle.block, %for.body3 + tail call void @bar(double* %x) #2 + %inc7 = add nuw nsw i32 %j.015, 1 + %exitcond16 = icmp eq i32 %inc7, 100 + br i1 %exitcond16, label %for.end8, label %vector.memcheck + +for.end8: ; preds = %for.end + ret void + +; CHECK-LABEL: @foo +; CHECK: dcbt +} + +declare void @bar(double*) #1 + +attributes #0 = { nounwind "target-cpu"="a2q" } +attributes #1 = { "target-cpu"="a2q" } +attributes #2 = { nounwind } + |