1 ; RUN: opt -S -mtriple=x86_64-apple-darwin -mcpu=core2 -cost-model -analyze < %s | FileCheck %s -check-prefix=CORE2 2 ; RUN: opt -S -mtriple=x86_64-apple-darwin -mcpu=corei7 -cost-model -analyze < %s | FileCheck %s -check-prefix=COREI7 3 4 ; If SSE4.1 roundps instruction is available it is cheap to lower, otherwise 5 ; it'll be scalarized into calls which are expensive. 6 define void @test1(float* nocapture %f) nounwind { 7 vector.ph: 8 br label %vector.body 9 10 vector.body: ; preds = %vector.body, %vector.ph 11 %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] 12 %0 = getelementptr inbounds float* %f, i64 %index 13 %1 = bitcast float* %0 to <4 x float>* 14 %wide.load = load <4 x float>* %1, align 4 15 %2 = call <4 x float> @llvm.ceil.v4f32(<4 x float> %wide.load) 16 store <4 x float> %2, <4 x float>* %1, align 4 17 %index.next = add i64 %index, 4 18 %3 = icmp eq i64 %index.next, 1024 19 br i1 %3, label %for.end, label %vector.body 20 21 for.end: ; preds = %vector.body 22 ret void 23 24 ; CORE2: Printing analysis 'Cost Model Analysis' for function 'test1': 25 ; CORE2: Cost Model: Found an estimated cost of 400 for instruction: %2 = call <4 x float> @llvm.ceil.v4f32(<4 x float> %wide.load) 26 27 ; COREI7: Printing analysis 'Cost Model Analysis' for function 'test1': 28 ; COREI7: Cost Model: Found an estimated cost of 1 for instruction: %2 = call <4 x float> @llvm.ceil.v4f32(<4 x float> %wide.load) 29 30 } 31 32 declare <4 x float> @llvm.ceil.v4f32(<4 x float>) nounwind readnone 33 34 define void @test2(float* nocapture %f) nounwind { 35 vector.ph: 36 br label %vector.body 37 38 vector.body: ; preds = %vector.body, %vector.ph 39 %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] 40 %0 = getelementptr inbounds float* %f, i64 %index 41 %1 = bitcast float* %0 to <4 x float>* 42 %wide.load = load <4 x float>* %1, align 4 43 %2 = call <4 x float> @llvm.nearbyint.v4f32(<4 x float> %wide.load) 44 store <4 x float> %2, <4 x float>* %1, align 4 45 %index.next = add i64 %index, 4 46 %3 = icmp eq i64 %index.next, 1024 47 br i1 %3, label %for.end, label %vector.body 48 49 for.end: ; preds = %vector.body 50 ret void 51 52 ; CORE2: Printing analysis 'Cost Model Analysis' for function 'test2': 53 ; CORE2: Cost Model: Found an estimated cost of 400 for instruction: %2 = call <4 x float> @llvm.nearbyint.v4f32(<4 x float> %wide.load) 54 55 ; COREI7: Printing analysis 'Cost Model Analysis' for function 'test2': 56 ; COREI7: Cost Model: Found an estimated cost of 1 for instruction: %2 = call <4 x float> @llvm.nearbyint.v4f32(<4 x float> %wide.load) 57 58 } 59 60 declare <4 x float> @llvm.nearbyint.v4f32(<4 x float>) nounwind readnone 61
