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llvm-project/llvm/test/CodeGen/X86/fmf-flags.ll

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[X86] Adding a testpoint for fast-math flags propagation. Reviewers: jbhateja Reviewed By: jbhateja Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D38127 llvm-svn: 313869
2017-09-21 17:53:21 +08:00
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s -check-prefix=X64
; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s -check-prefix=X86
declare float @llvm.sqrt.f32(float %x);
define float @fast_recip_sqrt(float %x) {
; X64-LABEL: fast_recip_sqrt:
[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:
guard fsqrt with fmf sub flags Summary: This change uses fmf subflags to guard optimizations as well as unsafe. These changes originated from D46483. It contains only context for fsqrt. Reviewers: spatel, hfinkel, arsenm Reviewed By: spatel Subscribers: hfinkel, wdng, andrew.w.kaylor, wristow, efriedma, nemanjai Differential Revision: https://reviews.llvm.org/D47749 llvm-svn: 334113
2018-06-07 02:47:55 +08:00
; X64-NEXT: rsqrtss %xmm0, %xmm1
; X64-NEXT: mulss %xmm1, %xmm0
; X64-NEXT: mulss %xmm1, %xmm0
; X64-NEXT: addss {{.*}}(%rip), %xmm0
Utilize new SDNode flag functionality to expand current support for fdiv Summary: This patch originated from D46562 and is a proper subset, with some issues addressed. Reviewers: spatel, hfinkel, wristow, arsenm Reviewed By: spatel Subscribers: wdng, nhaehnle Differential Revision: https://reviews.llvm.org/D47954 llvm-svn: 334862
2018-06-16 04:44:55 +08:00
; X64-NEXT: mulss {{.*}}(%rip), %xmm1
; X64-NEXT: mulss %xmm1, %xmm0
[X86] Adding a testpoint for fast-math flags propagation. Reviewers: jbhateja Reviewed By: jbhateja Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D38127 llvm-svn: 313869
2017-09-21 17:53:21 +08:00
; X64-NEXT: retq
;
; X86-LABEL: fast_recip_sqrt:
[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
; X86: # %bb.0:
[X86] Adding a testpoint for fast-math flags propagation. Reviewers: jbhateja Reviewed By: jbhateja Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D38127 llvm-svn: 313869
2017-09-21 17:53:21 +08:00
; X86-NEXT: flds {{[0-9]+}}(%esp)
; X86-NEXT: fsqrt
; X86-NEXT: fld1
; X86-NEXT: fdivp %st(1)
; X86-NEXT: retl
%y = call fast float @llvm.sqrt.f32(float %x)
%z = fdiv fast float 1.0, %y
ret float %z
}
declare float @llvm.fmuladd.f32(float %a, float %b, float %c);
define float @fast_fmuladd_opts(float %a , float %b , float %c) {
; X64-LABEL: fast_fmuladd_opts:
[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:
Utilize new SDNode flag functionality to expand current support for fadd Summary: This patch originated from D46562 and is a proper subset, with some issues addressed. Reviewers: spatel, hfinkel, wristow, arsenm, javed.absar Reviewed By: spatel Subscribers: wdng, nhaehnle Differential Revision: https://reviews.llvm.org/D47909 llvm-svn: 334996
2018-06-19 07:44:59 +08:00
; X64-NEXT: mulss {{.*}}(%rip), %xmm0
[X86] Adding a testpoint for fast-math flags propagation. Reviewers: jbhateja Reviewed By: jbhateja Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D38127 llvm-svn: 313869
2017-09-21 17:53:21 +08:00
; X64-NEXT: retq
;
; X86-LABEL: fast_fmuladd_opts:
[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
; X86: # %bb.0:
[X86] Adding a testpoint for fast-math flags propagation. Reviewers: jbhateja Reviewed By: jbhateja Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D38127 llvm-svn: 313869
2017-09-21 17:53:21 +08:00
; X86-NEXT: flds {{[0-9]+}}(%esp)
Utilize new SDNode flag functionality to expand current support for fadd Summary: This patch originated from D46562 and is a proper subset, with some issues addressed. Reviewers: spatel, hfinkel, wristow, arsenm, javed.absar Reviewed By: spatel Subscribers: wdng, nhaehnle Differential Revision: https://reviews.llvm.org/D47909 llvm-svn: 334996
2018-06-19 07:44:59 +08:00
; X86-NEXT: fmuls {{.*}}
[X86] Adding a testpoint for fast-math flags propagation. Reviewers: jbhateja Reviewed By: jbhateja Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D38127 llvm-svn: 313869
2017-09-21 17:53:21 +08:00
; X86-NEXT: retl
%res = call fast float @llvm.fmuladd.f32(float %a, float 2.0, float %a)
ret float %res
}
[x86] add more tests for node-level FMF; NFC llvm-svn: 313893
2017-09-22 01:40:58 +08:00
; The multiply is strict.
[X86] Updating the test case for FMF propagation. Differential Revision: https://reviews.llvm.org/D38163 llvm-svn: 313964
2017-09-22 13:48:20 +08:00
@mul1 = common global double 0.000000e+00, align 4
[x86] add more tests for node-level FMF; NFC llvm-svn: 313893
2017-09-22 01:40:58 +08:00
define double @not_so_fast_mul_add(double %x) {
; X64-LABEL: not_so_fast_mul_add:
[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:
Utilize new SDNode flag functionality to expand current support for fadd Summary: This patch originated from D46562 and is a proper subset, with some issues addressed. Reviewers: spatel, hfinkel, wristow, arsenm, javed.absar Reviewed By: spatel Subscribers: wdng, nhaehnle Differential Revision: https://reviews.llvm.org/D47909 llvm-svn: 334996
2018-06-19 07:44:59 +08:00
; X64-NEXT: movsd {{.*}}(%rip), %xmm1
[x86] add more tests for node-level FMF; NFC llvm-svn: 313893
2017-09-22 01:40:58 +08:00
; X64-NEXT: mulsd %xmm0, %xmm1
Utilize new SDNode flag functionality to expand current support for fadd Summary: This patch originated from D46562 and is a proper subset, with some issues addressed. Reviewers: spatel, hfinkel, wristow, arsenm, javed.absar Reviewed By: spatel Subscribers: wdng, nhaehnle Differential Revision: https://reviews.llvm.org/D47909 llvm-svn: 334996
2018-06-19 07:44:59 +08:00
; X64-NEXT: mulsd {{.*}}(%rip), %xmm0
[X86] Updating the test case for FMF propagation. Differential Revision: https://reviews.llvm.org/D38163 llvm-svn: 313964
2017-09-22 13:48:20 +08:00
; X64-NEXT: movsd %xmm1, {{.*}}(%rip)
[x86] add more tests for node-level FMF; NFC llvm-svn: 313893
2017-09-22 01:40:58 +08:00
; X64-NEXT: retq
;
; X86-LABEL: not_so_fast_mul_add:
[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
; X86: # %bb.0:
[x86] add more tests for node-level FMF; NFC llvm-svn: 313893
2017-09-22 01:40:58 +08:00
; X86-NEXT: fldl {{[0-9]+}}(%esp)
; X86-NEXT: fld %st(0)
; X86-NEXT: fmull {{\.LCPI.*}}
Utilize new SDNode flag functionality to expand current support for fadd Summary: This patch originated from D46562 and is a proper subset, with some issues addressed. Reviewers: spatel, hfinkel, wristow, arsenm, javed.absar Reviewed By: spatel Subscribers: wdng, nhaehnle Differential Revision: https://reviews.llvm.org/D47909 llvm-svn: 334996
2018-06-19 07:44:59 +08:00
; X86-NEXT: fxch %st(1)
; X86-NEXT: fmull {{\.LCPI.*}}
; X86-NEXT: fxch %st(1)
[X86] Updating the test case for FMF propagation. Differential Revision: https://reviews.llvm.org/D38163 llvm-svn: 313964
2017-09-22 13:48:20 +08:00
; X86-NEXT: fstpl mul1
[x86] add more tests for node-level FMF; NFC llvm-svn: 313893
2017-09-22 01:40:58 +08:00
; X86-NEXT: retl
%m = fmul double %x, 4.2
%a = fadd fast double %m, %x
[X86] Updating the test case for FMF propagation. Differential Revision: https://reviews.llvm.org/D38163 llvm-svn: 313964
2017-09-22 13:48:20 +08:00
store double %m, double* @mul1, align 4
[x86] add more tests for node-level FMF; NFC llvm-svn: 313893
2017-09-22 01:40:58 +08:00
ret double %a
}
; The sqrt is strict.
[X86] Updating the test case for FMF propagation. Differential Revision: https://reviews.llvm.org/D38163 llvm-svn: 313964
2017-09-22 13:48:20 +08:00
@sqrt1 = common global float 0.000000e+00, align 4
[x86] add more tests for node-level FMF; NFC llvm-svn: 313893
2017-09-22 01:40:58 +08:00
define float @not_so_fast_recip_sqrt(float %x) {
; X64-LABEL: not_so_fast_recip_sqrt:
[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:
Utilize new SDNode flag functionality to expand current support for fdiv Summary: This patch originated from D46562 and is a proper subset, with some issues addressed. Reviewers: spatel, hfinkel, wristow, arsenm Reviewed By: spatel Subscribers: wdng, nhaehnle Differential Revision: https://reviews.llvm.org/D47954 llvm-svn: 334862
2018-06-16 04:44:55 +08:00
; X64-NEXT: rsqrtss %xmm0, %xmm1
; X64-NEXT: sqrtss %xmm0, %xmm2
; X64-NEXT: mulss %xmm1, %xmm0
; X64-NEXT: mulss %xmm1, %xmm0
; X64-NEXT: addss {{.*}}(%rip), %xmm0
; X64-NEXT: mulss {{.*}}(%rip), %xmm1
; X64-NEXT: mulss %xmm1, %xmm0
; X64-NEXT: movss %xmm2, sqrt1(%rip)
[x86] add more tests for node-level FMF; NFC llvm-svn: 313893
2017-09-22 01:40:58 +08:00
; X64-NEXT: retq
;
; X86-LABEL: not_so_fast_recip_sqrt:
[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
; X86: # %bb.0:
[x86] add more tests for node-level FMF; NFC llvm-svn: 313893
2017-09-22 01:40:58 +08:00
; X86-NEXT: flds {{[0-9]+}}(%esp)
; X86-NEXT: fsqrt
; X86-NEXT: fld1
[X86] Updating the test case for FMF propagation. Differential Revision: https://reviews.llvm.org/D38163 llvm-svn: 313964
2017-09-22 13:48:20 +08:00
; X86-NEXT: fdiv %st(1)
; X86-NEXT: fxch %st(1)
; X86-NEXT: fstps sqrt1
[x86] add more tests for node-level FMF; NFC llvm-svn: 313893
2017-09-22 01:40:58 +08:00
; X86-NEXT: retl
%y = call float @llvm.sqrt.f32(float %x)
%z = fdiv fast float 1.0, %y
[X86] Updating the test case for FMF propagation. Differential Revision: https://reviews.llvm.org/D38163 llvm-svn: 313964
2017-09-22 13:48:20 +08:00
store float %y, float* @sqrt1, align 4
%ret = fadd float %z , 14.5
[x86] add more tests for node-level FMF; NFC llvm-svn: 313893
2017-09-22 01:40:58 +08:00
ret float %z
}
Utilize new SDNode flag functionality to expand current support for fdiv Summary: This patch originated from D46562 and is a proper subset, with some issues addressed. Reviewers: spatel, hfinkel, wristow, arsenm Reviewed By: spatel Subscribers: wdng, nhaehnle Differential Revision: https://reviews.llvm.org/D47954 llvm-svn: 334862
2018-06-16 04:44:55 +08:00
define float @div_arcp_by_const(half %x) {
; X64-LABEL: .LCPI4_0:
; X64-NEXT: .long 1036828672
; X64-LABEL: div_arcp_by_const:
; X64: movzwl %ax, %edi
; X64: mulss .LCPI4_0(%rip), %xmm0
;
; X86-LABEL: .LCPI4_0:
; X86-NEXT: .long 1036828672
; X86-LABEL: div_arcp_by_const:
; X86: movzwl %ax, %eax
; X86: fmuls .LCPI4_0
%rcp = fdiv arcp half %x, 10.0
%z = fpext half %rcp to float
ret float %z
}