diff options
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/SystemZ/load-scalarization-cost-0.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/SystemZ/load-scalarization-cost-0.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/SystemZ/load-scalarization-cost-0.ll b/llvm/test/Transforms/LoopVectorize/SystemZ/load-scalarization-cost-0.ll new file mode 100644 index 00000000000..1925527eacf --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/SystemZ/load-scalarization-cost-0.ll @@ -0,0 +1,27 @@ +; RUN: opt -mtriple=s390x-unknown-linux -mcpu=z13 -loop-vectorize \ +; RUN: -force-vector-width=2 -debug-only=loop-vectorize \ +; RUN: -disable-output < %s 2>&1 | FileCheck %s +; REQUIRES: asserts +; +; Check that a scalarized load does not get operands scalarization costs added. + +define void @fun(i64* %data, i64 %n, i64 %s, double* %Src) { +entry: + br label %for.body + +for.body: + %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] + %mul = mul nsw i64 %iv, %s + %gep = getelementptr inbounds double, double* %Src, i64 %mul + %bct = bitcast double* %gep to i64* + %ld = load i64, i64* %bct + %iv.next = add nuw nsw i64 %iv, 1 + %cmp110.us = icmp slt i64 %iv.next, %n + br i1 %cmp110.us, label %for.body, label %for.end + +for.end: + ret void + +; CHECK: LV: Found an estimated cost of 2 for VF 2 For instruction: %mul = mul nsw i64 %iv, %s +; CHECK: LV: Found an estimated cost of 2 for VF 2 For instruction: %ld = load i64, i64* %bct +} |
