maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
llvm-project/llvm/test/CodeGen/X86/avx2-fma-fneg-combine.ll

160 lines
6.4 KiB
LLVM
Raw Normal View History

Optimized FMA intrinsic + FNEG , like -(a*b+c) and FNEG + FMA, like a*b-c or (-a)*b+c. The bug description is here : https://llvm.org/bugs/show_bug.cgi?id=28892 Differential revision: https://reviews.llvm.org/D23313 llvm-svn: 280368
2016-09-01 21:58:53 +08:00
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
[X86][AVX2] Dropped -mcpu from avx2 arithmetic/intrinsics tests Use triple and attribute only for consistency llvm-svn: 306531
2017-06-28 18:54:54 +08:00
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx2,+fma | FileCheck %s --check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2,+fma | FileCheck %s --check-prefix=X64
Optimized FMA intrinsic + FNEG , like -(a*b+c) and FNEG + FMA, like a*b-c or (-a)*b+c. The bug description is here : https://llvm.org/bugs/show_bug.cgi?id=28892 Differential revision: https://reviews.llvm.org/D23313 llvm-svn: 280368
2016-09-01 21:58:53 +08:00
; This test checks combinations of FNEG and FMA intrinsics
define <8 x float> @test1(<8 x float> %a, <8 x float> %b, <8 x float> %c) {
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X32-LABEL: test1:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X32: # %bb.0: # %entry
[X86] Regenerate tests to include fma comments Noticed in the review of D48467 llvm-svn: 335342
2018-06-22 20:41:48 +08:00
; X32-NEXT: vfmsub213ps {{.*#+}} ymm0 = (ymm1 * ymm0) - ymm2
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X32-NEXT: retl
;
; X64-LABEL: test1:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X64: # %bb.0: # %entry
[X86] Regenerate tests to include fma comments Noticed in the review of D48467 llvm-svn: 335342
2018-06-22 20:41:48 +08:00
; X64-NEXT: vfmsub213ps {{.*#+}} ymm0 = (ymm1 * ymm0) - ymm2
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X64-NEXT: retq
Optimized FMA intrinsic + FNEG , like -(a*b+c) and FNEG + FMA, like a*b-c or (-a)*b+c. The bug description is here : https://llvm.org/bugs/show_bug.cgi?id=28892 Differential revision: https://reviews.llvm.org/D23313 llvm-svn: 280368
2016-09-01 21:58:53 +08:00
entry:
%sub.i = fsub <8 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %c
%0 = tail call <8 x float> @llvm.x86.fma.vfmadd.ps.256(<8 x float> %a, <8 x float> %b, <8 x float> %sub.i) #2
ret <8 x float> %0
}
declare <8 x float> @llvm.x86.fma.vfmadd.ps.256(<8 x float>, <8 x float>, <8 x float>)
define <4 x float> @test2(<4 x float> %a, <4 x float> %b, <4 x float> %c) {
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X32-LABEL: test2:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X32: # %bb.0: # %entry
[X86] Regenerate tests to include fma comments Noticed in the review of D48467 llvm-svn: 335342
2018-06-22 20:41:48 +08:00
; X32-NEXT: vfnmsub213ps {{.*#+}} xmm0 = -(xmm1 * xmm0) - xmm2
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X32-NEXT: retl
;
; X64-LABEL: test2:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X64: # %bb.0: # %entry
[X86] Regenerate tests to include fma comments Noticed in the review of D48467 llvm-svn: 335342
2018-06-22 20:41:48 +08:00
; X64-NEXT: vfnmsub213ps {{.*#+}} xmm0 = -(xmm1 * xmm0) - xmm2
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X64-NEXT: retq
Optimized FMA intrinsic + FNEG , like -(a*b+c) and FNEG + FMA, like a*b-c or (-a)*b+c. The bug description is here : https://llvm.org/bugs/show_bug.cgi?id=28892 Differential revision: https://reviews.llvm.org/D23313 llvm-svn: 280368
2016-09-01 21:58:53 +08:00
entry:
%0 = tail call <4 x float> @llvm.x86.fma.vfmadd.ps(<4 x float> %a, <4 x float> %b, <4 x float> %c) #2
%sub.i = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %0
ret <4 x float> %sub.i
}
declare <4 x float> @llvm.x86.fma.vfmadd.ps(<4 x float> %a, <4 x float> %b, <4 x float> %c)
define <4 x float> @test3(<4 x float> %a, <4 x float> %b, <4 x float> %c) {
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X32-LABEL: test3:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X32: # %bb.0: # %entry
[X86] Remove and autoupgrade a bunch of FMA instrinsics that are no longer used by clang. llvm-svn: 332146
2018-05-12 05:59:34 +08:00
; X32-NEXT: vfnmadd213ss {{.*#+}} xmm0 = -(xmm1 * xmm0) + xmm2
[X86] Remove X86 specific scalar FMA intrinsics and upgrade to tart independent FMA and extractelement/insertelement. llvm-svn: 336315
2018-07-05 14:52:55 +08:00
; X32-NEXT: vbroadcastss {{.*#+}} xmm1 = [-0,-0,-0,-0]
; X32-NEXT: vxorps %xmm1, %xmm0, %xmm0
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X32-NEXT: retl
;
; X64-LABEL: test3:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X64: # %bb.0: # %entry
[X86] Remove and autoupgrade a bunch of FMA instrinsics that are no longer used by clang. llvm-svn: 332146
2018-05-12 05:59:34 +08:00
; X64-NEXT: vfnmadd213ss {{.*#+}} xmm0 = -(xmm1 * xmm0) + xmm2
[X86] Remove X86 specific scalar FMA intrinsics and upgrade to tart independent FMA and extractelement/insertelement. llvm-svn: 336315
2018-07-05 14:52:55 +08:00
; X64-NEXT: vbroadcastss {{.*#+}} xmm1 = [-0,-0,-0,-0]
; X64-NEXT: vxorps %xmm1, %xmm0, %xmm0
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X64-NEXT: retq
Optimized FMA intrinsic + FNEG , like -(a*b+c) and FNEG + FMA, like a*b-c or (-a)*b+c. The bug description is here : https://llvm.org/bugs/show_bug.cgi?id=28892 Differential revision: https://reviews.llvm.org/D23313 llvm-svn: 280368
2016-09-01 21:58:53 +08:00
entry:
%0 = tail call <4 x float> @llvm.x86.fma.vfnmadd.ss(<4 x float> %a, <4 x float> %b, <4 x float> %c) #2
%sub.i = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %0
ret <4 x float> %sub.i
}
declare <4 x float> @llvm.x86.fma.vfnmadd.ss(<4 x float> %a, <4 x float> %b, <4 x float> %c)
define <8 x float> @test4(<8 x float> %a, <8 x float> %b, <8 x float> %c) {
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X32-LABEL: test4:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X32: # %bb.0: # %entry
[X86] Add support for combining FMSUB/FNMADD/FNMSUB ISD nodes with an fneg input. Previously we could only negate the FMADD opcodes. This used to be mostly ok when we lowered FMA intrinsics during lowering. But with the move to llvm.fma from target specific intrinsics, we can combine (fneg (fma)) to (fmsub) earlier. So if we start with (fneg (fma (fneg))) we would get stuck at (fmsub (fneg)). This patch fixes that so we can also combine things like (fmsub (fneg)). llvm-svn: 336304
2018-07-05 10:52:56 +08:00
; X32-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm1 * ymm0) + ymm2
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X32-NEXT: retl
;
; X64-LABEL: test4:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X64: # %bb.0: # %entry
[X86] Add support for combining FMSUB/FNMADD/FNMSUB ISD nodes with an fneg input. Previously we could only negate the FMADD opcodes. This used to be mostly ok when we lowered FMA intrinsics during lowering. But with the move to llvm.fma from target specific intrinsics, we can combine (fneg (fma)) to (fmsub) earlier. So if we start with (fneg (fma (fneg))) we would get stuck at (fmsub (fneg)). This patch fixes that so we can also combine things like (fmsub (fneg)). llvm-svn: 336304
2018-07-05 10:52:56 +08:00
; X64-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm1 * ymm0) + ymm2
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X64-NEXT: retq
Optimized FMA intrinsic + FNEG , like -(a*b+c) and FNEG + FMA, like a*b-c or (-a)*b+c. The bug description is here : https://llvm.org/bugs/show_bug.cgi?id=28892 Differential revision: https://reviews.llvm.org/D23313 llvm-svn: 280368
2016-09-01 21:58:53 +08:00
entry:
%0 = tail call <8 x float> @llvm.x86.fma.vfmsub.ps.256(<8 x float> %a, <8 x float> %b, <8 x float> %c) #2
%sub.i = fsub <8 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %0
ret <8 x float> %sub.i
}
define <8 x float> @test5(<8 x float> %a, <8 x float> %b, <8 x float> %c) {
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X32-LABEL: test5:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X32: # %bb.0: # %entry
[X86] Remove and autoupgrade a bunch of FMA instrinsics that are no longer used by clang. llvm-svn: 332146
2018-05-12 05:59:34 +08:00
; X32-NEXT: vfmadd213ps {{.*#+}} ymm0 = (ymm1 * ymm0) + ymm2
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X32-NEXT: retl
;
; X64-LABEL: test5:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X64: # %bb.0: # %entry
[X86] Remove and autoupgrade a bunch of FMA instrinsics that are no longer used by clang. llvm-svn: 332146
2018-05-12 05:59:34 +08:00
; X64-NEXT: vfmadd213ps {{.*#+}} ymm0 = (ymm1 * ymm0) + ymm2
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X64-NEXT: retq
Optimized FMA intrinsic + FNEG , like -(a*b+c) and FNEG + FMA, like a*b-c or (-a)*b+c. The bug description is here : https://llvm.org/bugs/show_bug.cgi?id=28892 Differential revision: https://reviews.llvm.org/D23313 llvm-svn: 280368
2016-09-01 21:58:53 +08:00
entry:
%sub.c = fsub <8 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %c
%0 = tail call <8 x float> @llvm.x86.fma.vfmsub.ps.256(<8 x float> %a, <8 x float> %b, <8 x float> %sub.c) #2
ret <8 x float> %0
}
declare <8 x float> @llvm.x86.fma.vfmsub.ps.256(<8 x float>, <8 x float>, <8 x float>)
define <2 x double> @test6(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X32-LABEL: test6:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X32: # %bb.0: # %entry
[X86] Regenerate tests to include fma comments Noticed in the review of D48467 llvm-svn: 335342
2018-06-22 20:41:48 +08:00
; X32-NEXT: vfnmsub213pd {{.*#+}} xmm0 = -(xmm1 * xmm0) - xmm2
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X32-NEXT: retl
;
; X64-LABEL: test6:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X64: # %bb.0: # %entry
[X86] Regenerate tests to include fma comments Noticed in the review of D48467 llvm-svn: 335342
2018-06-22 20:41:48 +08:00
; X64-NEXT: vfnmsub213pd {{.*#+}} xmm0 = -(xmm1 * xmm0) - xmm2
[X86][AVX2] Regenerate and add 32-bit tests to core tests llvm-svn: 283666
2016-10-09 02:36:57 +08:00
; X64-NEXT: retq
Optimized FMA intrinsic + FNEG , like -(a*b+c) and FNEG + FMA, like a*b-c or (-a)*b+c. The bug description is here : https://llvm.org/bugs/show_bug.cgi?id=28892 Differential revision: https://reviews.llvm.org/D23313 llvm-svn: 280368
2016-09-01 21:58:53 +08:00
entry:
%0 = tail call <2 x double> @llvm.x86.fma.vfmadd.pd(<2 x double> %a, <2 x double> %b, <2 x double> %c) #2
%sub.i = fsub <2 x double> <double -0.000000e+00, double -0.000000e+00>, %0
ret <2 x double> %sub.i
}
declare <2 x double> @llvm.x86.fma.vfmadd.pd(<2 x double> %a, <2 x double> %b, <2 x double> %c)
[X86] Add a test to show missed opportunity to generate vfnmadd llvm-svn: 335367
2018-06-23 01:01:13 +08:00
define <8 x float> @test7(float %a, <8 x float> %b, <8 x float> %c) {
; X32-LABEL: test7:
; X32: # %bb.0: # %entry
[X86] Recognize a splat of negate in isFNEG Summary: Expand isFNEG so that we generate the appropriate F(N)M(ADD|SUB) instructions in more cases. For example, the following sequence a = _mm256_broadcast_ss(f) d = _mm256_fnmadd_ps(a, b, c) generates an fsub and fma without this patch and an fnma with this change. Reviewers: craig.topper Subscribers: llvm-commits, davidxl, wmi Differential Revision: https://reviews.llvm.org/D48467 llvm-svn: 339043
2018-08-07 03:23:38 +08:00
; X32-NEXT: vbroadcastss {{[0-9]+}}(%esp), %ymm2
; X32-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm2 * ymm0) + ymm1
[X86] Add a test to show missed opportunity to generate vfnmadd llvm-svn: 335367
2018-06-23 01:01:13 +08:00
; X32-NEXT: retl
;
; X64-LABEL: test7:
; X64: # %bb.0: # %entry
; X64-NEXT: vbroadcastss %xmm0, %ymm0
[X86] Recognize a splat of negate in isFNEG Summary: Expand isFNEG so that we generate the appropriate F(N)M(ADD|SUB) instructions in more cases. For example, the following sequence a = _mm256_broadcast_ss(f) d = _mm256_fnmadd_ps(a, b, c) generates an fsub and fma without this patch and an fnma with this change. Reviewers: craig.topper Subscribers: llvm-commits, davidxl, wmi Differential Revision: https://reviews.llvm.org/D48467 llvm-svn: 339043
2018-08-07 03:23:38 +08:00
; X64-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm1 * ymm0) + ymm2
[X86] Add a test to show missed opportunity to generate vfnmadd llvm-svn: 335367
2018-06-23 01:01:13 +08:00
; X64-NEXT: retq
entry:
%0 = insertelement <8 x float> undef, float %a, i32 0
%1 = fsub <8 x float> <float -0.000000e+00, float undef, float undef, float undef, float undef, float undef, float undef, float undef>, %0
%2 = shufflevector <8 x float> %1, <8 x float> undef, <8 x i32> zeroinitializer
%3 = tail call <8 x float> @llvm.fma.v8f32(<8 x float> %2, <8 x float> %b, <8 x float> %c)
ret <8 x float> %3
}
[x86]Add a test case to show missed vfnmadd generation. llvm-svn: 336404
2018-07-06 08:31:33 +08:00
define <8 x float> @test8(float %a, <8 x float> %b, <8 x float> %c) {
; X32-LABEL: test8:
; X32: # %bb.0: # %entry
[X86] Recognize a splat of negate in isFNEG Summary: Expand isFNEG so that we generate the appropriate F(N)M(ADD|SUB) instructions in more cases. For example, the following sequence a = _mm256_broadcast_ss(f) d = _mm256_fnmadd_ps(a, b, c) generates an fsub and fma without this patch and an fnma with this change. Reviewers: craig.topper Subscribers: llvm-commits, davidxl, wmi Differential Revision: https://reviews.llvm.org/D48467 llvm-svn: 339043
2018-08-07 03:23:38 +08:00
; X32-NEXT: vbroadcastss {{[0-9]+}}(%esp), %ymm2
; X32-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm2 * ymm0) + ymm1
[x86]Add a test case to show missed vfnmadd generation. llvm-svn: 336404
2018-07-06 08:31:33 +08:00
; X32-NEXT: retl
;
; X64-LABEL: test8:
; X64: # %bb.0: # %entry
; X64-NEXT: vbroadcastss %xmm0, %ymm0
[X86] Recognize a splat of negate in isFNEG Summary: Expand isFNEG so that we generate the appropriate F(N)M(ADD|SUB) instructions in more cases. For example, the following sequence a = _mm256_broadcast_ss(f) d = _mm256_fnmadd_ps(a, b, c) generates an fsub and fma without this patch and an fnma with this change. Reviewers: craig.topper Subscribers: llvm-commits, davidxl, wmi Differential Revision: https://reviews.llvm.org/D48467 llvm-svn: 339043
2018-08-07 03:23:38 +08:00
; X64-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm1 * ymm0) + ymm2
[x86]Add a test case to show missed vfnmadd generation. llvm-svn: 336404
2018-07-06 08:31:33 +08:00
; X64-NEXT: retq
entry:
%0 = fsub float -0.0, %a
%1 = insertelement <8 x float> undef, float %0, i32 0
%2 = shufflevector <8 x float> %1, <8 x float> undef, <8 x i32> zeroinitializer
%3 = tail call <8 x float> @llvm.fma.v8f32(<8 x float> %2, <8 x float> %b, <8 x float> %c)
ret <8 x float> %3
}
[X86] Add a test to show missed opportunity to generate vfnmadd llvm-svn: 335367
2018-06-23 01:01:13 +08:00
declare <8 x float> @llvm.fma.v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %c)