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llvm-mirror/test/Analysis/CostModel/X86/vdiv-cost.ll
Benjamin Kramer 764309a6cd X86TTI: Adjust sdiv cost now that we can lower it on plain SSE2.
Includes a fix for a horrible typo that caused all SDIV costs to be
slightly off :)

llvm-svn: 207371
2014-04-27 18:47:54 +00:00

93 lines
3.6 KiB
LLVM

; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -mattr=+sse2,-sse4.1 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=SSE2
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=core-avx2 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX2
define <4 x i32> @test1(<4 x i32> %a) {
%div = udiv <4 x i32> %a, <i32 7, i32 7, i32 7, i32 7>
ret <4 x i32> %div
; CHECK: 'Cost Model Analysis' for function 'test1':
; SSE2: Found an estimated cost of 15 for instruction: %div
; AVX2: Found an estimated cost of 15 for instruction: %div
}
define <8 x i32> @test2(<8 x i32> %a) {
%div = udiv <8 x i32> %a, <i32 7, i32 7, i32 7, i32 7,i32 7, i32 7, i32 7, i32 7>
ret <8 x i32> %div
; CHECK: 'Cost Model Analysis' for function 'test2':
; SSE2: Found an estimated cost of 30 for instruction: %div
; AVX2: Found an estimated cost of 15 for instruction: %div
}
define <8 x i16> @test3(<8 x i16> %a) {
%div = udiv <8 x i16> %a, <i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7>
ret <8 x i16> %div
; CHECK: 'Cost Model Analysis' for function 'test3':
; SSE2: Found an estimated cost of 6 for instruction: %div
; AVX2: Found an estimated cost of 6 for instruction: %div
}
define <16 x i16> @test4(<16 x i16> %a) {
%div = udiv <16 x i16> %a, <i16 7, i16 7, i16 7, i16 7,i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7,i16 7, i16 7, i16 7, i16 7>
ret <16 x i16> %div
; CHECK: 'Cost Model Analysis' for function 'test4':
; SSE2: Found an estimated cost of 12 for instruction: %div
; AVX2: Found an estimated cost of 6 for instruction: %div
}
define <8 x i16> @test5(<8 x i16> %a) {
%div = sdiv <8 x i16> %a, <i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7>
ret <8 x i16> %div
; CHECK: 'Cost Model Analysis' for function 'test5':
; SSE2: Found an estimated cost of 6 for instruction: %div
; AVX2: Found an estimated cost of 6 for instruction: %div
}
define <16 x i16> @test6(<16 x i16> %a) {
%div = sdiv <16 x i16> %a, <i16 7, i16 7, i16 7, i16 7,i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7,i16 7, i16 7, i16 7, i16 7>
ret <16 x i16> %div
; CHECK: 'Cost Model Analysis' for function 'test6':
; SSE2: Found an estimated cost of 12 for instruction: %div
; AVX2: Found an estimated cost of 6 for instruction: %div
}
define <16 x i8> @test7(<16 x i8> %a) {
%div = sdiv <16 x i8> %a, <i8 7, i8 7, i8 7, i8 7,i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7,i8 7, i8 7, i8 7, i8 7>
ret <16 x i8> %div
; CHECK: 'Cost Model Analysis' for function 'test7':
; SSE2: Found an estimated cost of 320 for instruction: %div
; AVX2: Found an estimated cost of 320 for instruction: %div
}
define <4 x i32> @test8(<4 x i32> %a) {
%div = sdiv <4 x i32> %a, <i32 7, i32 7, i32 7, i32 7>
ret <4 x i32> %div
; CHECK: 'Cost Model Analysis' for function 'test8':
; SSE2: Found an estimated cost of 19 for instruction: %div
; AVX2: Found an estimated cost of 15 for instruction: %div
}
define <8 x i32> @test9(<8 x i32> %a) {
%div = sdiv <8 x i32> %a, <i32 7, i32 7, i32 7, i32 7,i32 7, i32 7, i32 7, i32 7>
ret <8 x i32> %div
; CHECK: 'Cost Model Analysis' for function 'test9':
; SSE2: Found an estimated cost of 38 for instruction: %div
; AVX2: Found an estimated cost of 15 for instruction: %div
}
define <8 x i32> @test10(<8 x i32> %a) {
%div = sdiv <8 x i32> %a, <i32 8, i32 7, i32 7, i32 7,i32 7, i32 7, i32 7, i32 7>
ret <8 x i32> %div
; CHECK: 'Cost Model Analysis' for function 'test10':
; SSE2: Found an estimated cost of 160 for instruction: %div
; AVX2: Found an estimated cost of 160 for instruction: %div
}