| ; RUN: opt -S -mtriple=x86_64-apple-darwin -mcpu=core2 -cost-model -analyze < %s | FileCheck %s -check-prefix=CORE2 |
| ; RUN: opt -S -mtriple=x86_64-apple-darwin -mcpu=corei7 -cost-model -analyze < %s | FileCheck %s -check-prefix=COREI7 |
| |
| ; If SSE4.1 roundps instruction is available it is cheap to lower, otherwise |
| ; it'll be scalarized into calls which are expensive. |
| define void @test1(float* nocapture %f) nounwind { |
| vector.ph: |
| br label %vector.body |
| |
| vector.body: ; preds = %vector.body, %vector.ph |
| %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] |
| %0 = getelementptr inbounds float* %f, i64 %index |
| %1 = bitcast float* %0 to <4 x float>* |
| %wide.load = load <4 x float>* %1, align 4 |
| %2 = call <4 x float> @llvm.ceil.v4f32(<4 x float> %wide.load) |
| store <4 x float> %2, <4 x float>* %1, align 4 |
| %index.next = add i64 %index, 4 |
| %3 = icmp eq i64 %index.next, 1024 |
| br i1 %3, label %for.end, label %vector.body |
| |
| for.end: ; preds = %vector.body |
| ret void |
| |
| ; CORE2: Printing analysis 'Cost Model Analysis' for function 'test1': |
| ; CORE2: Cost Model: Found an estimated cost of 400 for instruction: %2 = call <4 x float> @llvm.ceil.v4f32(<4 x float> %wide.load) |
| |
| ; COREI7: Printing analysis 'Cost Model Analysis' for function 'test1': |
| ; COREI7: Cost Model: Found an estimated cost of 1 for instruction: %2 = call <4 x float> @llvm.ceil.v4f32(<4 x float> %wide.load) |
| |
| } |
| |
| declare <4 x float> @llvm.ceil.v4f32(<4 x float>) nounwind readnone |