[x86] add tests for cost model kinds of intrinsics; NFC

This provides coverage for existing special-cases and
a sampling of other intrinsics. Current output appears
to be wrong in several cases.
This commit is contained in:
Sanjay Patel 2020-10-13 10:27:20 -04:00
parent bddaa7a848
commit fab028b914
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; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
; RUN: opt -mtriple=x86_64-- -cost-model -analyze -cost-kind=throughput < %s | FileCheck %s --check-prefix=THRU
; RUN: opt -mtriple=x86_64-- -cost-model -analyze -cost-kind=latency < %s | FileCheck %s --check-prefix=LATE
; RUN: opt -mtriple=x86_64-- -cost-model -analyze -cost-kind=code-size < %s | FileCheck %s --check-prefix=SIZE
; RUN: opt -mtriple=x86_64-- -cost-model -analyze -cost-kind=size-latency < %s | FileCheck %s --check-prefix=SIZE_LATE
; Test a cross-section of intrinsics for various cost-kinds.
; Other test files may check for accuracy of a particular intrinsic
; across subtargets or types. This is just a sanity check using the
; default x86 target and a legal scalar type (i32/float) and/or an
; illegal vector type (16 x i32/float).
declare i32 @llvm.smax.i32(i32, i32)
declare <16 x i32> @llvm.smax.v16i32(<16 x i32>, <16 x i32>)
declare float @llvm.fmuladd.f32(float, float, float)
declare <16 x float> @llvm.fmuladd.v16f32(<16 x float>, <16 x float>, <16 x float>)
declare i32 @llvm.cttz.i32(i32, i1)
declare <16 x i32> @llvm.cttz.v16i32(<16 x i32>, i1)
declare i32 @llvm.ctlz.i32(i32, i1)
declare <16 x i32> @llvm.ctlz.v16i32(<16 x i32>, i1)
declare i32 @llvm.fshl.i32(i32, i32, i32)
declare <16 x i32> @llvm.fshl.v16i32(<16 x i32>, <16 x i32>, <16 x i32>)
declare <16 x float> @llvm.masked.gather.v16f32.v16p0f32(<16 x float*>, i32, <16 x i1>, <16 x float>)
declare void @llvm.masked.scatter.v16f32.v16p0f32(<16 x float>, <16 x float*>, i32, <16 x i1>)
declare float @llvm.vector.reduce.fmax.v16f32(<16 x float>)
define void @smax(i32 %a, i32 %b, <16 x i32> %va, <16 x i32> %vb) {
; THRU-LABEL: 'smax'
; THRU-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %s = call i32 @llvm.smax.i32(i32 %a, i32 %b)
; THRU-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %v = call <16 x i32> @llvm.smax.v16i32(<16 x i32> %va, <16 x i32> %vb)
; THRU-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; LATE-LABEL: 'smax'
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.smax.i32(i32 %a, i32 %b)
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.smax.v16i32(<16 x i32> %va, <16 x i32> %vb)
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE-LABEL: 'smax'
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.smax.i32(i32 %a, i32 %b)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.smax.v16i32(<16 x i32> %va, <16 x i32> %vb)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE_LATE-LABEL: 'smax'
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.smax.i32(i32 %a, i32 %b)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.smax.v16i32(<16 x i32> %va, <16 x i32> %vb)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
%s = call i32 @llvm.smax.i32(i32 %a, i32 %b)
%v = call <16 x i32> @llvm.smax.v16i32(<16 x i32> %va, <16 x i32> %vb)
ret void
}
define void @fmuladd(float %a, float %b, float %c, <16 x float> %va, <16 x float> %vb, <16 x float> %vc) {
; THRU-LABEL: 'fmuladd'
; THRU-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %s = call float @llvm.fmuladd.f32(float %a, float %b, float %c)
; THRU-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %v = call <16 x float> @llvm.fmuladd.v16f32(<16 x float> %va, <16 x float> %vb, <16 x float> %vc)
; THRU-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; LATE-LABEL: 'fmuladd'
; LATE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %s = call float @llvm.fmuladd.f32(float %a, float %b, float %c)
; LATE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %v = call <16 x float> @llvm.fmuladd.v16f32(<16 x float> %va, <16 x float> %vb, <16 x float> %vc)
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE-LABEL: 'fmuladd'
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call float @llvm.fmuladd.f32(float %a, float %b, float %c)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x float> @llvm.fmuladd.v16f32(<16 x float> %va, <16 x float> %vb, <16 x float> %vc)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE_LATE-LABEL: 'fmuladd'
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call float @llvm.fmuladd.f32(float %a, float %b, float %c)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x float> @llvm.fmuladd.v16f32(<16 x float> %va, <16 x float> %vb, <16 x float> %vc)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
%s = call float @llvm.fmuladd.f32(float %a, float %b, float %c)
%v = call <16 x float> @llvm.fmuladd.v16f32(<16 x float> %va, <16 x float> %vb, <16 x float> %vc)
ret void
}
define void @cttz(i32 %a, <16 x i32> %va) {
; THRU-LABEL: 'cttz'
; THRU-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %s = call i32 @llvm.cttz.i32(i32 %a, i1 false)
; THRU-NEXT: Cost Model: Found an estimated cost of 72 for instruction: %v = call <16 x i32> @llvm.cttz.v16i32(<16 x i32> %va, i1 false)
; THRU-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; LATE-LABEL: 'cttz'
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.cttz.i32(i32 %a, i1 false)
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.cttz.v16i32(<16 x i32> %va, i1 false)
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE-LABEL: 'cttz'
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.cttz.i32(i32 %a, i1 false)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.cttz.v16i32(<16 x i32> %va, i1 false)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE_LATE-LABEL: 'cttz'
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.cttz.i32(i32 %a, i1 false)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.cttz.v16i32(<16 x i32> %va, i1 false)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
%s = call i32 @llvm.cttz.i32(i32 %a, i1 false)
%v = call <16 x i32> @llvm.cttz.v16i32(<16 x i32> %va, i1 false)
ret void
}
define void @ctlz(i32 %a, <16 x i32> %va) {
; THRU-LABEL: 'ctlz'
; THRU-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %s = call i32 @llvm.ctlz.i32(i32 %a, i1 true)
; THRU-NEXT: Cost Model: Found an estimated cost of 104 for instruction: %v = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %va, i1 true)
; THRU-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; LATE-LABEL: 'ctlz'
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.ctlz.i32(i32 %a, i1 true)
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %va, i1 true)
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE-LABEL: 'ctlz'
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.ctlz.i32(i32 %a, i1 true)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %va, i1 true)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE_LATE-LABEL: 'ctlz'
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.ctlz.i32(i32 %a, i1 true)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %va, i1 true)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
%s = call i32 @llvm.ctlz.i32(i32 %a, i1 true)
%v = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %va, i1 true)
ret void
}
define void @fshl(i32 %a, i32 %b, i32 %c, <16 x i32> %va, <16 x i32> %vb, <16 x i32> %vc) {
; THRU-LABEL: 'fshl'
; THRU-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %s = call i32 @llvm.fshl.i32(i32 %a, i32 %b, i32 %c)
; THRU-NEXT: Cost Model: Found an estimated cost of 132 for instruction: %v = call <16 x i32> @llvm.fshl.v16i32(<16 x i32> %va, <16 x i32> %vb, <16 x i32> %vc)
; THRU-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; LATE-LABEL: 'fshl'
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.fshl.i32(i32 %a, i32 %b, i32 %c)
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.fshl.v16i32(<16 x i32> %va, <16 x i32> %vb, <16 x i32> %vc)
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE-LABEL: 'fshl'
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.fshl.i32(i32 %a, i32 %b, i32 %c)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.fshl.v16i32(<16 x i32> %va, <16 x i32> %vb, <16 x i32> %vc)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE_LATE-LABEL: 'fshl'
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.fshl.i32(i32 %a, i32 %b, i32 %c)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.fshl.v16i32(<16 x i32> %va, <16 x i32> %vb, <16 x i32> %vc)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
%s = call i32 @llvm.fshl.i32(i32 %a, i32 %b, i32 %c)
%v = call <16 x i32> @llvm.fshl.v16i32(<16 x i32> %va, <16 x i32> %vb, <16 x i32> %vc)
ret void
}
define void @maskedgather(<16 x float*> %va, <16 x i1> %vb, <16 x float> %vc) {
; THRU-LABEL: 'maskedgather'
; THRU-NEXT: Cost Model: Found an estimated cost of 87 for instruction: %v = call <16 x float> @llvm.masked.gather.v16f32.v16p0f32(<16 x float*> %va, i32 1, <16 x i1> %vb, <16 x float> %vc)
; THRU-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; LATE-LABEL: 'maskedgather'
; LATE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %v = call <16 x float> @llvm.masked.gather.v16f32.v16p0f32(<16 x float*> %va, i32 1, <16 x i1> %vb, <16 x float> %vc)
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE-LABEL: 'maskedgather'
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x float> @llvm.masked.gather.v16f32.v16p0f32(<16 x float*> %va, i32 1, <16 x i1> %vb, <16 x float> %vc)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE_LATE-LABEL: 'maskedgather'
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x float> @llvm.masked.gather.v16f32.v16p0f32(<16 x float*> %va, i32 1, <16 x i1> %vb, <16 x float> %vc)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
%v = call <16 x float> @llvm.masked.gather.v16f32.v16p0f32(<16 x float*> %va, i32 1, <16 x i1> %vb, <16 x float> %vc)
ret void
}
define void @maskedscatter(<16 x float> %va, <16 x float*> %vb, <16 x i1> %vc) {
; THRU-LABEL: 'maskedscatter'
; THRU-NEXT: Cost Model: Found an estimated cost of 75 for instruction: call void @llvm.masked.scatter.v16f32.v16p0f32(<16 x float> %va, <16 x float*> %vb, i32 1, <16 x i1> %vc)
; THRU-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; LATE-LABEL: 'maskedscatter'
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: call void @llvm.masked.scatter.v16f32.v16p0f32(<16 x float> %va, <16 x float*> %vb, i32 1, <16 x i1> %vc)
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE-LABEL: 'maskedscatter'
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: call void @llvm.masked.scatter.v16f32.v16p0f32(<16 x float> %va, <16 x float*> %vb, i32 1, <16 x i1> %vc)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE_LATE-LABEL: 'maskedscatter'
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: call void @llvm.masked.scatter.v16f32.v16p0f32(<16 x float> %va, <16 x float*> %vb, i32 1, <16 x i1> %vc)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
call void @llvm.masked.scatter.v16f32.v16p0f32(<16 x float> %va, <16 x float*> %vb, i32 1, <16 x i1> %vc)
ret void
}
define void @reduce_fmax(<16 x float> %va) {
; THRU-LABEL: 'reduce_fmax'
; THRU-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %v = call float @llvm.vector.reduce.fmax.v16f32(<16 x float> %va)
; THRU-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; LATE-LABEL: 'reduce_fmax'
; LATE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %v = call float @llvm.vector.reduce.fmax.v16f32(<16 x float> %va)
; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE-LABEL: 'reduce_fmax'
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call float @llvm.vector.reduce.fmax.v16f32(<16 x float> %va)
; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SIZE_LATE-LABEL: 'reduce_fmax'
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call float @llvm.vector.reduce.fmax.v16f32(<16 x float> %va)
; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
%v = call float @llvm.vector.reduce.fmax.v16f32(<16 x float> %va)
ret void
}