File: intrinsic-cost.ll

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llvm-toolchain-19 1%3A19.1.7-3
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; RUN: opt -S -mtriple=x86_64-apple-darwin -mcpu=core2 -passes="print<cost-model>" 2>&1 -disable-output < %s | FileCheck %s -check-prefix=CORE2
; RUN: opt -S -mtriple=x86_64-apple-darwin -mcpu=corei7 -passes="print<cost-model>" 2>&1 -disable-output < %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(ptr 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, ptr %f, i64 %index
  %wide.load = load <4 x float>, ptr %0, align 4
  %1 = call <4 x float> @llvm.ceil.v4f32(<4 x float> %wide.load)
  store <4 x float> %1, ptr %0, align 4
  %index.next = add i64 %index, 4
  %2 = icmp eq i64 %index.next, 1024
  br i1 %2, label %for.end, label %vector.body

for.end:                                          ; preds = %vector.body
  ret void

; CORE2: function 'test1'
; CORE2: Cost Model: Found an estimated cost of 46 for instruction:   %1 = call <4 x float> @llvm.ceil.v4f32(<4 x float> %wide.load)

; COREI7: function 'test1'
; COREI7: Cost Model: Found an estimated cost of 1 for instruction:   %1 = call <4 x float> @llvm.ceil.v4f32(<4 x float> %wide.load)

}

declare <4 x float> @llvm.ceil.v4f32(<4 x float>)  nounwind readnone

define void @test2(ptr 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, ptr %f, i64 %index
  %wide.load = load <4 x float>, ptr %0, align 4
  %1 = call <4 x float> @llvm.nearbyint.v4f32(<4 x float> %wide.load)
  store <4 x float> %1, ptr %0, align 4
  %index.next = add i64 %index, 4
  %2 = icmp eq i64 %index.next, 1024
  br i1 %2, label %for.end, label %vector.body

for.end:                                          ; preds = %vector.body
  ret void

; CORE2: function 'test2'
; CORE2: Cost Model: Found an estimated cost of 46 for instruction:   %1 = call <4 x float> @llvm.nearbyint.v4f32(<4 x float> %wide.load)

; COREI7: function 'test2'
; COREI7: Cost Model: Found an estimated cost of 1 for instruction:   %1 = call <4 x float> @llvm.nearbyint.v4f32(<4 x float> %wide.load)

}

declare <4 x float> @llvm.nearbyint.v4f32(<4 x float>)  nounwind readnone

define void @test3(ptr nocapture %f, <4 x float> %b, <4 x float> %c) 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, ptr %f, i64 %index
  %wide.load = load <4 x float>, ptr %0, align 4
  %1 = call <4 x float> @llvm.fmuladd.v4f32(<4 x float> %wide.load, <4 x float> %b, <4 x float> %c)
  store <4 x float> %1, ptr %0, align 4
  %index.next = add i64 %index, 4
  %2 = icmp eq i64 %index.next, 1024
  br i1 %2, label %for.end, label %vector.body

for.end:                                          ; preds = %vector.body
  ret void

; CORE2: function 'test3'
; CORE2: Cost Model: Found an estimated cost of 4 for instruction: %1 = call <4 x float> @llvm.fmuladd.v4f32(<4 x float> %wide.load, <4 x float> %b, <4 x float> %c)

; COREI7: function 'test3'
; COREI7: Cost Model: Found an estimated cost of 2 for instruction: %1 = call <4 x float> @llvm.fmuladd.v4f32(<4 x float> %wide.load, <4 x float> %b, <4 x float> %c)

}

declare <4 x float> @llvm.fmuladd.v4f32(<4 x float>, <4 x float>, <4 x float>) nounwind readnone