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| author | Eric Christopher <echristo@gmail.com> | 2019-04-17 04:52:47 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@gmail.com> | 2019-04-17 04:52:47 +0000 |
| commit | cee313d288a4faf0355d76fb6e0e927e211d08a5 (patch) | |
| tree | d386075318d761197779a96e5d8fc0dc7b06342b /llvm/test/Transforms/LoopVectorize/PowerPC/small-loop-rdx.ll | |
| parent | c3d6a929fdd92fd06d4304675ade8d7210ee711a (diff) | |
| download | bcm5719-llvm-cee313d288a4faf0355d76fb6e0e927e211d08a5.tar.gz bcm5719-llvm-cee313d288a4faf0355d76fb6e0e927e211d08a5.zip | |
Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.
Will be re-reverting again.
llvm-svn: 358552
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/PowerPC/small-loop-rdx.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/PowerPC/small-loop-rdx.ll | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/PowerPC/small-loop-rdx.ll b/llvm/test/Transforms/LoopVectorize/PowerPC/small-loop-rdx.ll new file mode 100644 index 00000000000..76864bc4629 --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/PowerPC/small-loop-rdx.ll @@ -0,0 +1,49 @@ +; RUN: opt < %s -loop-vectorize -S | FileCheck %s + +; CHECK: vector.body: +; CHECK: fadd +; CHECK-NEXT: fadd +; CHECK-NEXT: fadd +; CHECK-NEXT: fadd +; CHECK-NEXT: fadd +; CHECK-NEXT: fadd +; CHECK-NEXT: fadd +; CHECK-NEXT: fadd +; CHECK-NEXT: fadd +; CHECK-NEXT: fadd +; CHECK-NEXT: fadd +; CHECK-NEXT: fadd +; CHECK-NOT: fadd +; CHECK: middle.block + +target datalayout = "e-m:e-i64:64-n32:64" +target triple = "powerpc64le-ibm-linux-gnu" + +define void @test(double* nocapture readonly %arr, i32 signext %len) #0 { +entry: + %cmp4 = icmp sgt i32 %len, 0 + br i1 %cmp4, label %for.body.lr.ph, label %for.end + +for.body.lr.ph: ; preds = %entry + %0 = add i32 %len, -1 + br label %for.body + +for.body: ; preds = %for.body, %for.body.lr.ph + %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] + %redx.05 = phi double [ 0.000000e+00, %for.body.lr.ph ], [ %add, %for.body ] + %arrayidx = getelementptr inbounds double, double* %arr, i64 %indvars.iv + %1 = load double, double* %arrayidx, align 8 + %add = fadd fast double %1, %redx.05 + %indvars.iv.next = add i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv to i32 + %exitcond = icmp eq i32 %lftr.wideiv, %0 + br i1 %exitcond, label %for.end.loopexit, label %for.body + +for.end.loopexit: ; preds = %for.body + %add.lcssa = phi double [ %add, %for.body ] + br label %for.end + +for.end: ; preds = %for.end.loopexit, %entry + %redx.0.lcssa = phi double [ 0.000000e+00, %entry ], [ %add.lcssa, %for.end.loopexit ] + ret void +} |
