[llvm] 996dc13 - [NFC] [PowerPC] Remove unsafe-fp-math in FMA test

Roman Lebedev via llvm-commits llvm-commits at lists.llvm.org
Sun Mar 22 09:09:54 PDT 2020


Ideally i'd hope to see all that blurb in the commit message.
In n+1 years, no one possibly looking at that commit would have read
that review first..

On Sun, Mar 22, 2020 at 6:50 PM Sanjay Patel <spatel at rotateright.com> wrote:
>
> If I'm seeing it correctly, this is implementing my suggestion from D76419 ( https://reviews.llvm.org/D76419 ).
> We duplicated the existing tests to have versions that toggle "reassoc" in IR rather than having separate RUN lines that use the (should-be-) deprecated global flag "-enable-unsafe-fp-math".
> Ideally, we could also replace the global "-fp-contract=fast" flag on the RUN line with "contract" FMF in IR. Not sure if we have underlying bugs there though.
>
> On Sun, Mar 22, 2020 at 10:50 AM Roman Lebedev via llvm-commits <llvm-commits at lists.llvm.org> wrote:
>>
>> Why remove an entire test?
>>
>> On Sun, Mar 22, 2020 at 5:41 PM Qiu Chaofan via llvm-commits
>> <llvm-commits at lists.llvm.org> wrote:
>> >
>> >
>> > Author: Qiu Chaofan
>> > Date: 2020-03-22T22:40:49+08:00
>> > New Revision: 996dc13dc4cfb6efe0dee5388300b0f54cb5bb91
>> >
>> > URL: https://github.com/llvm/llvm-project/commit/996dc13dc4cfb6efe0dee5388300b0f54cb5bb91
>> > DIFF: https://github.com/llvm/llvm-project/commit/996dc13dc4cfb6efe0dee5388300b0f54cb5bb91.diff
>> >
>> > LOG: [NFC] [PowerPC] Remove unsafe-fp-math in FMA test
>> >
>> > Added:
>> >
>> >
>> > Modified:
>> >     llvm/test/CodeGen/PowerPC/fma-assoc.ll
>> >
>> > Removed:
>> >
>> >
>> >
>> > ################################################################################
>> > diff  --git a/llvm/test/CodeGen/PowerPC/fma-assoc.ll b/llvm/test/CodeGen/PowerPC/fma-assoc.ll
>> > index 0bc63d6ef765..e43967a59ff3 100644
>> > --- a/llvm/test/CodeGen/PowerPC/fma-assoc.ll
>> > +++ b/llvm/test/CodeGen/PowerPC/fma-assoc.ll
>> > @@ -1,36 +1,24 @@
>> >  ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
>> > -; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- -fp-contract=fast -mattr=-vsx -disable-ppc-vsx-fma-mutation=false | FileCheck -check-prefix=CHECK-SAFE %s
>> > -; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -fp-contract=fast -mattr=+vsx -mcpu=pwr7 -disable-ppc-vsx-fma-mutation=false | FileCheck -check-prefix=CHECK-VSX-SAFE %s
>> > -; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- -fp-contract=fast -enable-unsafe-fp-math -mattr=-vsx -disable-ppc-vsx-fma-mutation=false | FileCheck -check-prefix=CHECK-UNSAFE %s
>> > -; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -fp-contract=fast -enable-unsafe-fp-math -mattr=+vsx -mcpu=pwr7 -disable-ppc-vsx-fma-mutation=false | FileCheck -check-prefix=CHECK-VSX-UNSAFE %s
>> > +; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- -fp-contract=fast \
>> > +; RUN:   -mattr=-vsx -disable-ppc-vsx-fma-mutation=false | FileCheck %s
>> > +; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu \
>> > +; RUN:   -fp-contract=fast -mattr=+vsx -disable-ppc-vsx-fma-mutation=false \
>> > +; RUN:   -mcpu=pwr7 | FileCheck -check-prefix=CHECK-VSX %s
>> >
>> >  define double @test_FMADD_ASSOC1(double %A, double %B, double %C,
>> > -; CHECK-SAFE-LABEL: test_FMADD_ASSOC1:
>> > -; CHECK-SAFE:       # %bb.0:
>> > -; CHECK-SAFE-NEXT:    fmul 0, 3, 4
>> > -; CHECK-SAFE-NEXT:    fmadd 0, 1, 2, 0
>> > -; CHECK-SAFE-NEXT:    fadd 1, 0, 5
>> > -; CHECK-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-SAFE-LABEL: test_FMADD_ASSOC1:
>> > -; CHECK-VSX-SAFE:       # %bb.0:
>> > -; CHECK-VSX-SAFE-NEXT:    xsmuldp 0, 3, 4
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddadp 0, 1, 2
>> > -; CHECK-VSX-SAFE-NEXT:    xsadddp 1, 0, 5
>> > -; CHECK-VSX-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-UNSAFE-LABEL: test_FMADD_ASSOC1:
>> > -; CHECK-UNSAFE:       # %bb.0:
>> > -; CHECK-UNSAFE-NEXT:    fmadd 0, 3, 4, 5
>> > -; CHECK-UNSAFE-NEXT:    fmadd 1, 1, 2, 0
>> > -; CHECK-UNSAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-UNSAFE-LABEL: test_FMADD_ASSOC1:
>> > -; CHECK-VSX-UNSAFE:       # %bb.0:
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddmdp 3, 4, 5
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddadp 3, 1, 2
>> > -; CHECK-VSX-UNSAFE-NEXT:    fmr 1, 3
>> > -; CHECK-VSX-UNSAFE-NEXT:    blr
>> > +; CHECK-LABEL: test_FMADD_ASSOC1:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmul 0, 3, 4
>> > +; CHECK-NEXT:    fmadd 0, 1, 2, 0
>> > +; CHECK-NEXT:    fadd 1, 0, 5
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_FMADD_ASSOC1:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmuldp 0, 3, 4
>> > +; CHECK-VSX-NEXT:    xsmaddadp 0, 1, 2
>> > +; CHECK-VSX-NEXT:    xsadddp 1, 0, 5
>> > +; CHECK-VSX-NEXT:    blr
>> >                                   double %D, double %E) {
>> >    %F = fmul double %A, %B         ; <double> [#uses=1]
>> >    %G = fmul double %C, %D         ; <double> [#uses=1]
>> > @@ -40,32 +28,19 @@ define double @test_FMADD_ASSOC1(double %A, double %B, double %C,
>> >  }
>> >
>> >  define double @test_FMADD_ASSOC2(double %A, double %B, double %C,
>> > -; CHECK-SAFE-LABEL: test_FMADD_ASSOC2:
>> > -; CHECK-SAFE:       # %bb.0:
>> > -; CHECK-SAFE-NEXT:    fmul 0, 3, 4
>> > -; CHECK-SAFE-NEXT:    fmadd 0, 1, 2, 0
>> > -; CHECK-SAFE-NEXT:    fadd 1, 5, 0
>> > -; CHECK-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-SAFE-LABEL: test_FMADD_ASSOC2:
>> > -; CHECK-VSX-SAFE:       # %bb.0:
>> > -; CHECK-VSX-SAFE-NEXT:    xsmuldp 0, 3, 4
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddadp 0, 1, 2
>> > -; CHECK-VSX-SAFE-NEXT:    xsadddp 1, 5, 0
>> > -; CHECK-VSX-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-UNSAFE-LABEL: test_FMADD_ASSOC2:
>> > -; CHECK-UNSAFE:       # %bb.0:
>> > -; CHECK-UNSAFE-NEXT:    fmadd 0, 3, 4, 5
>> > -; CHECK-UNSAFE-NEXT:    fmadd 1, 1, 2, 0
>> > -; CHECK-UNSAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-UNSAFE-LABEL: test_FMADD_ASSOC2:
>> > -; CHECK-VSX-UNSAFE:       # %bb.0:
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddmdp 3, 4, 5
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddadp 3, 1, 2
>> > -; CHECK-VSX-UNSAFE-NEXT:    fmr 1, 3
>> > -; CHECK-VSX-UNSAFE-NEXT:    blr
>> > +; CHECK-LABEL: test_FMADD_ASSOC2:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmul 0, 3, 4
>> > +; CHECK-NEXT:    fmadd 0, 1, 2, 0
>> > +; CHECK-NEXT:    fadd 1, 5, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_FMADD_ASSOC2:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmuldp 0, 3, 4
>> > +; CHECK-VSX-NEXT:    xsmaddadp 0, 1, 2
>> > +; CHECK-VSX-NEXT:    xsadddp 1, 5, 0
>> > +; CHECK-VSX-NEXT:    blr
>> >                                   double %D, double %E) {
>> >    %F = fmul double %A, %B         ; <double> [#uses=1]
>> >    %G = fmul double %C, %D         ; <double> [#uses=1]
>> > @@ -75,32 +50,19 @@ define double @test_FMADD_ASSOC2(double %A, double %B, double %C,
>> >  }
>> >
>> >  define double @test_FMSUB_ASSOC1(double %A, double %B, double %C,
>> > -; CHECK-SAFE-LABEL: test_FMSUB_ASSOC1:
>> > -; CHECK-SAFE:       # %bb.0:
>> > -; CHECK-SAFE-NEXT:    fmul 0, 3, 4
>> > -; CHECK-SAFE-NEXT:    fmadd 0, 1, 2, 0
>> > -; CHECK-SAFE-NEXT:    fsub 1, 0, 5
>> > -; CHECK-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-SAFE-LABEL: test_FMSUB_ASSOC1:
>> > -; CHECK-VSX-SAFE:       # %bb.0:
>> > -; CHECK-VSX-SAFE-NEXT:    xsmuldp 0, 3, 4
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddadp 0, 1, 2
>> > -; CHECK-VSX-SAFE-NEXT:    xssubdp 1, 0, 5
>> > -; CHECK-VSX-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-UNSAFE-LABEL: test_FMSUB_ASSOC1:
>> > -; CHECK-UNSAFE:       # %bb.0:
>> > -; CHECK-UNSAFE-NEXT:    fmsub 0, 3, 4, 5
>> > -; CHECK-UNSAFE-NEXT:    fmadd 1, 1, 2, 0
>> > -; CHECK-UNSAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-UNSAFE-LABEL: test_FMSUB_ASSOC1:
>> > -; CHECK-VSX-UNSAFE:       # %bb.0:
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmsubmdp 3, 4, 5
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddadp 3, 1, 2
>> > -; CHECK-VSX-UNSAFE-NEXT:    fmr 1, 3
>> > -; CHECK-VSX-UNSAFE-NEXT:    blr
>> > +; CHECK-LABEL: test_FMSUB_ASSOC1:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmul 0, 3, 4
>> > +; CHECK-NEXT:    fmadd 0, 1, 2, 0
>> > +; CHECK-NEXT:    fsub 1, 0, 5
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_FMSUB_ASSOC1:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmuldp 0, 3, 4
>> > +; CHECK-VSX-NEXT:    xsmaddadp 0, 1, 2
>> > +; CHECK-VSX-NEXT:    xssubdp 1, 0, 5
>> > +; CHECK-VSX-NEXT:    blr
>> >                                   double %D, double %E) {
>> >    %F = fmul double %A, %B         ; <double> [#uses=1]
>> >    %G = fmul double %C, %D         ; <double> [#uses=1]
>> > @@ -110,32 +72,19 @@ define double @test_FMSUB_ASSOC1(double %A, double %B, double %C,
>> >  }
>> >
>> >  define double @test_FMSUB_ASSOC2(double %A, double %B, double %C,
>> > -; CHECK-SAFE-LABEL: test_FMSUB_ASSOC2:
>> > -; CHECK-SAFE:       # %bb.0:
>> > -; CHECK-SAFE-NEXT:    fmul 0, 3, 4
>> > -; CHECK-SAFE-NEXT:    fmadd 0, 1, 2, 0
>> > -; CHECK-SAFE-NEXT:    fsub 1, 5, 0
>> > -; CHECK-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-SAFE-LABEL: test_FMSUB_ASSOC2:
>> > -; CHECK-VSX-SAFE:       # %bb.0:
>> > -; CHECK-VSX-SAFE-NEXT:    xsmuldp 0, 3, 4
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddadp 0, 1, 2
>> > -; CHECK-VSX-SAFE-NEXT:    xssubdp 1, 5, 0
>> > -; CHECK-VSX-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-UNSAFE-LABEL: test_FMSUB_ASSOC2:
>> > -; CHECK-UNSAFE:       # %bb.0:
>> > -; CHECK-UNSAFE-NEXT:    fnmsub 0, 3, 4, 5
>> > -; CHECK-UNSAFE-NEXT:    fnmsub 1, 1, 2, 0
>> > -; CHECK-UNSAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-UNSAFE-LABEL: test_FMSUB_ASSOC2:
>> > -; CHECK-VSX-UNSAFE:       # %bb.0:
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsnmsubmdp 3, 4, 5
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsnmsubadp 3, 1, 2
>> > -; CHECK-VSX-UNSAFE-NEXT:    fmr 1, 3
>> > -; CHECK-VSX-UNSAFE-NEXT:    blr
>> > +; CHECK-LABEL: test_FMSUB_ASSOC2:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmul 0, 3, 4
>> > +; CHECK-NEXT:    fmadd 0, 1, 2, 0
>> > +; CHECK-NEXT:    fsub 1, 5, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_FMSUB_ASSOC2:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmuldp 0, 3, 4
>> > +; CHECK-VSX-NEXT:    xsmaddadp 0, 1, 2
>> > +; CHECK-VSX-NEXT:    xssubdp 1, 5, 0
>> > +; CHECK-VSX-NEXT:    blr
>> >                                   double %D, double %E) {
>> >    %F = fmul double %A, %B         ; <double> [#uses=1]
>> >    %G = fmul double %C, %D         ; <double> [#uses=1]
>> > @@ -145,29 +94,17 @@ define double @test_FMSUB_ASSOC2(double %A, double %B, double %C,
>> >  }
>> >
>> >  define double @test_FMADD_ASSOC_EXT1(float %A, float %B, double %C,
>> > -; CHECK-SAFE-LABEL: test_FMADD_ASSOC_EXT1:
>> > -; CHECK-SAFE:       # %bb.0:
>> > -; CHECK-SAFE-NEXT:    fmadd 0, 1, 2, 5
>> > -; CHECK-SAFE-NEXT:    fmadd 1, 3, 4, 0
>> > -; CHECK-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-SAFE-LABEL: test_FMADD_ASSOC_EXT1:
>> > -; CHECK-VSX-SAFE:       # %bb.0:
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddmdp 1, 2, 5
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddadp 1, 3, 4
>> > -; CHECK-VSX-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-UNSAFE-LABEL: test_FMADD_ASSOC_EXT1:
>> > -; CHECK-UNSAFE:       # %bb.0:
>> > -; CHECK-UNSAFE-NEXT:    fmadd 0, 1, 2, 5
>> > -; CHECK-UNSAFE-NEXT:    fmadd 1, 3, 4, 0
>> > -; CHECK-UNSAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-UNSAFE-LABEL: test_FMADD_ASSOC_EXT1:
>> > -; CHECK-VSX-UNSAFE:       # %bb.0:
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddmdp 1, 2, 5
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddadp 1, 3, 4
>> > -; CHECK-VSX-UNSAFE-NEXT:    blr
>> > +; CHECK-LABEL: test_FMADD_ASSOC_EXT1:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmadd 0, 1, 2, 5
>> > +; CHECK-NEXT:    fmadd 1, 3, 4, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_FMADD_ASSOC_EXT1:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmaddmdp 1, 2, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 1, 3, 4
>> > +; CHECK-VSX-NEXT:    blr
>> >                                   double %D, double %E) {
>> >    %F = fmul float %A, %B         ; <float> [#uses=1]
>> >    %G = fpext float %F to double   ; <double> [#uses=1]
>> > @@ -178,31 +115,18 @@ define double @test_FMADD_ASSOC_EXT1(float %A, float %B, double %C,
>> >  }
>> >
>> >  define double @test_FMADD_ASSOC_EXT2(float %A, float %B, float %C,
>> > -; CHECK-SAFE-LABEL: test_FMADD_ASSOC_EXT2:
>> > -; CHECK-SAFE:       # %bb.0:
>> > -; CHECK-SAFE-NEXT:    fmadd 0, 3, 4, 5
>> > -; CHECK-SAFE-NEXT:    fmadd 1, 1, 2, 0
>> > -; CHECK-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-SAFE-LABEL: test_FMADD_ASSOC_EXT2:
>> > -; CHECK-VSX-SAFE:       # %bb.0:
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddmdp 3, 4, 5
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddadp 3, 1, 2
>> > -; CHECK-VSX-SAFE-NEXT:    fmr 1, 3
>> > -; CHECK-VSX-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-UNSAFE-LABEL: test_FMADD_ASSOC_EXT2:
>> > -; CHECK-UNSAFE:       # %bb.0:
>> > -; CHECK-UNSAFE-NEXT:    fmadd 0, 3, 4, 5
>> > -; CHECK-UNSAFE-NEXT:    fmadd 1, 1, 2, 0
>> > -; CHECK-UNSAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-UNSAFE-LABEL: test_FMADD_ASSOC_EXT2:
>> > -; CHECK-VSX-UNSAFE:       # %bb.0:
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddmdp 3, 4, 5
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddadp 3, 1, 2
>> > -; CHECK-VSX-UNSAFE-NEXT:    fmr 1, 3
>> > -; CHECK-VSX-UNSAFE-NEXT:    blr
>> > +; CHECK-LABEL: test_FMADD_ASSOC_EXT2:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmadd 0, 3, 4, 5
>> > +; CHECK-NEXT:    fmadd 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_FMADD_ASSOC_EXT2:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmaddmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> >                                   float %D, double %E) {
>> >    %F = fmul float %A, %B         ; <float> [#uses=1]
>> >    %G = fmul float %C, %D         ; <float> [#uses=1]
>> > @@ -213,29 +137,17 @@ define double @test_FMADD_ASSOC_EXT2(float %A, float %B, float %C,
>> >  }
>> >
>> >  define double @test_FMADD_ASSOC_EXT3(float %A, float %B, double %C,
>> > -; CHECK-SAFE-LABEL: test_FMADD_ASSOC_EXT3:
>> > -; CHECK-SAFE:       # %bb.0:
>> > -; CHECK-SAFE-NEXT:    fmadd 0, 1, 2, 5
>> > -; CHECK-SAFE-NEXT:    fmadd 1, 3, 4, 0
>> > -; CHECK-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-SAFE-LABEL: test_FMADD_ASSOC_EXT3:
>> > -; CHECK-VSX-SAFE:       # %bb.0:
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddmdp 1, 2, 5
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddadp 1, 3, 4
>> > -; CHECK-VSX-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-UNSAFE-LABEL: test_FMADD_ASSOC_EXT3:
>> > -; CHECK-UNSAFE:       # %bb.0:
>> > -; CHECK-UNSAFE-NEXT:    fmadd 0, 1, 2, 5
>> > -; CHECK-UNSAFE-NEXT:    fmadd 1, 3, 4, 0
>> > -; CHECK-UNSAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-UNSAFE-LABEL: test_FMADD_ASSOC_EXT3:
>> > -; CHECK-VSX-UNSAFE:       # %bb.0:
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddmdp 1, 2, 5
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddadp 1, 3, 4
>> > -; CHECK-VSX-UNSAFE-NEXT:    blr
>> > +; CHECK-LABEL: test_FMADD_ASSOC_EXT3:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmadd 0, 1, 2, 5
>> > +; CHECK-NEXT:    fmadd 1, 3, 4, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_FMADD_ASSOC_EXT3:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmaddmdp 1, 2, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 1, 3, 4
>> > +; CHECK-VSX-NEXT:    blr
>> >                                   double %D, double %E) {
>> >    %F = fmul float %A, %B          ; <float> [#uses=1]
>> >    %G = fpext float %F to double   ; <double> [#uses=1]
>> > @@ -246,31 +158,18 @@ define double @test_FMADD_ASSOC_EXT3(float %A, float %B, double %C,
>> >  }
>> >
>> >  define double @test_FMADD_ASSOC_EXT4(float %A, float %B, float %C,
>> > -; CHECK-SAFE-LABEL: test_FMADD_ASSOC_EXT4:
>> > -; CHECK-SAFE:       # %bb.0:
>> > -; CHECK-SAFE-NEXT:    fmadd 0, 3, 4, 5
>> > -; CHECK-SAFE-NEXT:    fmadd 1, 1, 2, 0
>> > -; CHECK-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-SAFE-LABEL: test_FMADD_ASSOC_EXT4:
>> > -; CHECK-VSX-SAFE:       # %bb.0:
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddmdp 3, 4, 5
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddadp 3, 1, 2
>> > -; CHECK-VSX-SAFE-NEXT:    fmr 1, 3
>> > -; CHECK-VSX-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-UNSAFE-LABEL: test_FMADD_ASSOC_EXT4:
>> > -; CHECK-UNSAFE:       # %bb.0:
>> > -; CHECK-UNSAFE-NEXT:    fmadd 0, 3, 4, 5
>> > -; CHECK-UNSAFE-NEXT:    fmadd 1, 1, 2, 0
>> > -; CHECK-UNSAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-UNSAFE-LABEL: test_FMADD_ASSOC_EXT4:
>> > -; CHECK-VSX-UNSAFE:       # %bb.0:
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddmdp 3, 4, 5
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddadp 3, 1, 2
>> > -; CHECK-VSX-UNSAFE-NEXT:    fmr 1, 3
>> > -; CHECK-VSX-UNSAFE-NEXT:    blr
>> > +; CHECK-LABEL: test_FMADD_ASSOC_EXT4:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmadd 0, 3, 4, 5
>> > +; CHECK-NEXT:    fmadd 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_FMADD_ASSOC_EXT4:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmaddmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> >                                   float %D, double %E) {
>> >    %F = fmul float %A, %B          ; <float> [#uses=1]
>> >    %G = fmul float %C, %D          ; <float> [#uses=1]
>> > @@ -281,29 +180,17 @@ define double @test_FMADD_ASSOC_EXT4(float %A, float %B, float %C,
>> >  }
>> >
>> >  define double @test_FMSUB_ASSOC_EXT1(float %A, float %B, double %C,
>> > -; CHECK-SAFE-LABEL: test_FMSUB_ASSOC_EXT1:
>> > -; CHECK-SAFE:       # %bb.0:
>> > -; CHECK-SAFE-NEXT:    fmsub 0, 1, 2, 5
>> > -; CHECK-SAFE-NEXT:    fmadd 1, 3, 4, 0
>> > -; CHECK-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-SAFE-LABEL: test_FMSUB_ASSOC_EXT1:
>> > -; CHECK-VSX-SAFE:       # %bb.0:
>> > -; CHECK-VSX-SAFE-NEXT:    xsmsubmdp 1, 2, 5
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddadp 1, 3, 4
>> > -; CHECK-VSX-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-UNSAFE-LABEL: test_FMSUB_ASSOC_EXT1:
>> > -; CHECK-UNSAFE:       # %bb.0:
>> > -; CHECK-UNSAFE-NEXT:    fmsub 0, 1, 2, 5
>> > -; CHECK-UNSAFE-NEXT:    fmadd 1, 3, 4, 0
>> > -; CHECK-UNSAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-UNSAFE-LABEL: test_FMSUB_ASSOC_EXT1:
>> > -; CHECK-VSX-UNSAFE:       # %bb.0:
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmsubmdp 1, 2, 5
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddadp 1, 3, 4
>> > -; CHECK-VSX-UNSAFE-NEXT:    blr
>> > +; CHECK-LABEL: test_FMSUB_ASSOC_EXT1:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmsub 0, 1, 2, 5
>> > +; CHECK-NEXT:    fmadd 1, 3, 4, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_FMSUB_ASSOC_EXT1:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmsubmdp 1, 2, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 1, 3, 4
>> > +; CHECK-VSX-NEXT:    blr
>> >                                   double %D, double %E) {
>> >    %F = fmul float %A, %B          ; <float> [#uses=1]
>> >    %G = fpext float %F to double   ; <double> [#uses=1]
>> > @@ -314,31 +201,18 @@ define double @test_FMSUB_ASSOC_EXT1(float %A, float %B, double %C,
>> >  }
>> >
>> >  define double @test_FMSUB_ASSOC_EXT2(float %A, float %B, float %C,
>> > -; CHECK-SAFE-LABEL: test_FMSUB_ASSOC_EXT2:
>> > -; CHECK-SAFE:       # %bb.0:
>> > -; CHECK-SAFE-NEXT:    fmsub 0, 3, 4, 5
>> > -; CHECK-SAFE-NEXT:    fmadd 1, 1, 2, 0
>> > -; CHECK-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-SAFE-LABEL: test_FMSUB_ASSOC_EXT2:
>> > -; CHECK-VSX-SAFE:       # %bb.0:
>> > -; CHECK-VSX-SAFE-NEXT:    xsmsubmdp 3, 4, 5
>> > -; CHECK-VSX-SAFE-NEXT:    xsmaddadp 3, 1, 2
>> > -; CHECK-VSX-SAFE-NEXT:    fmr 1, 3
>> > -; CHECK-VSX-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-UNSAFE-LABEL: test_FMSUB_ASSOC_EXT2:
>> > -; CHECK-UNSAFE:       # %bb.0:
>> > -; CHECK-UNSAFE-NEXT:    fmsub 0, 3, 4, 5
>> > -; CHECK-UNSAFE-NEXT:    fmadd 1, 1, 2, 0
>> > -; CHECK-UNSAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-UNSAFE-LABEL: test_FMSUB_ASSOC_EXT2:
>> > -; CHECK-VSX-UNSAFE:       # %bb.0:
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmsubmdp 3, 4, 5
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsmaddadp 3, 1, 2
>> > -; CHECK-VSX-UNSAFE-NEXT:    fmr 1, 3
>> > -; CHECK-VSX-UNSAFE-NEXT:    blr
>> > +; CHECK-LABEL: test_FMSUB_ASSOC_EXT2:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmsub 0, 3, 4, 5
>> > +; CHECK-NEXT:    fmadd 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_FMSUB_ASSOC_EXT2:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmsubmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> >                                   float %D, double %E) {
>> >    %F = fmul float %A, %B          ; <float> [#uses=1]
>> >    %G = fmul float %C, %D          ; <float> [#uses=1]
>> > @@ -349,29 +223,17 @@ define double @test_FMSUB_ASSOC_EXT2(float %A, float %B, float %C,
>> >  }
>> >
>> >  define double @test_FMSUB_ASSOC_EXT3(float %A, float %B, double %C,
>> > -; CHECK-SAFE-LABEL: test_FMSUB_ASSOC_EXT3:
>> > -; CHECK-SAFE:       # %bb.0:
>> > -; CHECK-SAFE-NEXT:    fnmsub 0, 1, 2, 5
>> > -; CHECK-SAFE-NEXT:    fnmsub 1, 3, 4, 0
>> > -; CHECK-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-SAFE-LABEL: test_FMSUB_ASSOC_EXT3:
>> > -; CHECK-VSX-SAFE:       # %bb.0:
>> > -; CHECK-VSX-SAFE-NEXT:    xsnmsubmdp 1, 2, 5
>> > -; CHECK-VSX-SAFE-NEXT:    xsnmsubadp 1, 3, 4
>> > -; CHECK-VSX-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-UNSAFE-LABEL: test_FMSUB_ASSOC_EXT3:
>> > -; CHECK-UNSAFE:       # %bb.0:
>> > -; CHECK-UNSAFE-NEXT:    fnmsub 0, 1, 2, 5
>> > -; CHECK-UNSAFE-NEXT:    fnmsub 1, 3, 4, 0
>> > -; CHECK-UNSAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-UNSAFE-LABEL: test_FMSUB_ASSOC_EXT3:
>> > -; CHECK-VSX-UNSAFE:       # %bb.0:
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsnmsubmdp 1, 2, 5
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsnmsubadp 1, 3, 4
>> > -; CHECK-VSX-UNSAFE-NEXT:    blr
>> > +; CHECK-LABEL: test_FMSUB_ASSOC_EXT3:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fnmsub 0, 1, 2, 5
>> > +; CHECK-NEXT:    fnmsub 1, 3, 4, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_FMSUB_ASSOC_EXT3:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsnmsubmdp 1, 2, 5
>> > +; CHECK-VSX-NEXT:    xsnmsubadp 1, 3, 4
>> > +; CHECK-VSX-NEXT:    blr
>> >                                   double %D, double %E) {
>> >    %F = fmul float %A, %B          ; <float> [#uses=1]
>> >    %G = fpext float %F to double   ; <double> [#uses=1]
>> > @@ -382,31 +244,18 @@ define double @test_FMSUB_ASSOC_EXT3(float %A, float %B, double %C,
>> >  }
>> >
>> >  define double @test_FMSUB_ASSOC_EXT4(float %A, float %B, float %C,
>> > -; CHECK-SAFE-LABEL: test_FMSUB_ASSOC_EXT4:
>> > -; CHECK-SAFE:       # %bb.0:
>> > -; CHECK-SAFE-NEXT:    fnmsub 0, 3, 4, 5
>> > -; CHECK-SAFE-NEXT:    fnmsub 1, 1, 2, 0
>> > -; CHECK-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-SAFE-LABEL: test_FMSUB_ASSOC_EXT4:
>> > -; CHECK-VSX-SAFE:       # %bb.0:
>> > -; CHECK-VSX-SAFE-NEXT:    xsnmsubmdp 3, 4, 5
>> > -; CHECK-VSX-SAFE-NEXT:    xsnmsubadp 3, 1, 2
>> > -; CHECK-VSX-SAFE-NEXT:    fmr 1, 3
>> > -; CHECK-VSX-SAFE-NEXT:    blr
>> > -;
>> > -; CHECK-UNSAFE-LABEL: test_FMSUB_ASSOC_EXT4:
>> > -; CHECK-UNSAFE:       # %bb.0:
>> > -; CHECK-UNSAFE-NEXT:    fnmsub 0, 3, 4, 5
>> > -; CHECK-UNSAFE-NEXT:    fnmsub 1, 1, 2, 0
>> > -; CHECK-UNSAFE-NEXT:    blr
>> > -;
>> > -; CHECK-VSX-UNSAFE-LABEL: test_FMSUB_ASSOC_EXT4:
>> > -; CHECK-VSX-UNSAFE:       # %bb.0:
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsnmsubmdp 3, 4, 5
>> > -; CHECK-VSX-UNSAFE-NEXT:    xsnmsubadp 3, 1, 2
>> > -; CHECK-VSX-UNSAFE-NEXT:    fmr 1, 3
>> > -; CHECK-VSX-UNSAFE-NEXT:    blr
>> > +; CHECK-LABEL: test_FMSUB_ASSOC_EXT4:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fnmsub 0, 3, 4, 5
>> > +; CHECK-NEXT:    fnmsub 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_FMSUB_ASSOC_EXT4:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsnmsubmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsnmsubadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> >                                   float %D, double %E) {
>> >    %F = fmul float %A, %B          ; <float> [#uses=1]
>> >    %G = fmul float %C, %D          ; <float> [#uses=1]
>> > @@ -415,3 +264,280 @@ define double @test_FMSUB_ASSOC_EXT4(float %A, float %B, float %C,
>> >    %J = fsub double %E, %I         ; <double> [#uses=1]
>> >    ret double %J
>> >  }
>> > +
>> > +define double @test_reassoc_FMADD_ASSOC1(double %A, double %B, double %C,
>> > +; CHECK-LABEL: test_reassoc_FMADD_ASSOC1:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmadd 0, 3, 4, 5
>> > +; CHECK-NEXT:    fmadd 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_reassoc_FMADD_ASSOC1:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmaddmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 double %D, double %E) {
>> > +  %F = fmul reassoc double %A, %B         ; <double> [#uses=1]
>> > +  %G = fmul reassoc double %C, %D         ; <double> [#uses=1]
>> > +  %H = fadd reassoc double %F, %G         ; <double> [#uses=1]
>> > +  %I = fadd reassoc double %H, %E         ; <double> [#uses=1]
>> > +  ret double %I
>> > +}
>> > +
>> > +define double @test_reassoc_FMADD_ASSOC2(double %A, double %B, double %C,
>> > +; CHECK-LABEL: test_reassoc_FMADD_ASSOC2:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmadd 0, 3, 4, 5
>> > +; CHECK-NEXT:    fmadd 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_reassoc_FMADD_ASSOC2:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmaddmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 double %D, double %E) {
>> > +  %F = fmul reassoc double %A, %B         ; <double> [#uses=1]
>> > +  %G = fmul reassoc double %C, %D         ; <double> [#uses=1]
>> > +  %H = fadd reassoc double %F, %G         ; <double> [#uses=1]
>> > +  %I = fadd reassoc double %E, %H         ; <double> [#uses=1]
>> > +  ret double %I
>> > +}
>> > +
>> > +define double @test_reassoc_FMSUB_ASSOC1(double %A, double %B, double %C,
>> > +; CHECK-LABEL: test_reassoc_FMSUB_ASSOC1:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmsub 0, 3, 4, 5
>> > +; CHECK-NEXT:    fmadd 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_reassoc_FMSUB_ASSOC1:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmsubmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 double %D, double %E) {
>> > +  %F = fmul reassoc double %A, %B         ; <double> [#uses=1]
>> > +  %G = fmul reassoc double %C, %D         ; <double> [#uses=1]
>> > +  %H = fadd reassoc double %F, %G         ; <double> [#uses=1]
>> > +  %I = fsub reassoc double %H, %E         ; <double> [#uses=1]
>> > +  ret double %I
>> > +}
>> > +
>> > +define double @test_reassoc_FMSUB_ASSOC2(double %A, double %B, double %C,
>> > +; CHECK-LABEL: test_reassoc_FMSUB_ASSOC2:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fnmsub 0, 3, 4, 5
>> > +; CHECK-NEXT:    fnmsub 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_reassoc_FMSUB_ASSOC2:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsnmsubmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsnmsubadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 double %D, double %E) {
>> > +  %F = fmul reassoc double %A, %B         ; <double> [#uses=1]
>> > +  %G = fmul reassoc double %C, %D         ; <double> [#uses=1]
>> > +  %H = fadd reassoc double %F, %G         ; <double> [#uses=1]
>> > +  %I = fsub reassoc double %E, %H         ; <double> [#uses=1]
>> > +  ret double %I
>> > +}
>> > +
>> > +define double @test_fast_FMSUB_ASSOC2(double %A, double %B, double %C,
>> > +; CHECK-LABEL: test_fast_FMSUB_ASSOC2:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fnmsub 0, 3, 4, 5
>> > +; CHECK-NEXT:    fnmsub 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_fast_FMSUB_ASSOC2:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsnmsubmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsnmsubadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 double %D, double %E) {
>> > +  %F = fmul fast double %A, %B         ; <double> [#uses=1]
>> > +  %G = fmul fast double %C, %D         ; <double> [#uses=1]
>> > +  %H = fadd fast double %F, %G         ; <double> [#uses=1]
>> > +  %I = fsub fast double %E, %H         ; <double> [#uses=1]
>> > +  ret double %I
>> > +}
>> > +
>> > +define double @test_reassoc_FMADD_ASSOC_EXT1(float %A, float %B, double %C,
>> > +; CHECK-LABEL: test_reassoc_FMADD_ASSOC_EXT1:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmadd 0, 1, 2, 5
>> > +; CHECK-NEXT:    fmadd 1, 3, 4, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_reassoc_FMADD_ASSOC_EXT1:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmaddmdp 1, 2, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 1, 3, 4
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 double %D, double %E) {
>> > +  %F = fmul reassoc float %A, %B         ; <float> [#uses=1]
>> > +  %G = fpext float %F to double   ; <double> [#uses=1]
>> > +  %H = fmul reassoc double %C, %D         ; <double> [#uses=1]
>> > +  %I = fadd reassoc double %H, %G         ; <double> [#uses=1]
>> > +  %J = fadd reassoc double %I, %E         ; <double> [#uses=1]
>> > +  ret double %J
>> > +}
>> > +
>> > +define double @test_reassoc_FMADD_ASSOC_EXT2(float %A, float %B, float %C,
>> > +; CHECK-LABEL: test_reassoc_FMADD_ASSOC_EXT2:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmadd 0, 3, 4, 5
>> > +; CHECK-NEXT:    fmadd 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_reassoc_FMADD_ASSOC_EXT2:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmaddmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 float %D, double %E) {
>> > +  %F = fmul reassoc float %A, %B         ; <float> [#uses=1]
>> > +  %G = fmul reassoc float %C, %D         ; <float> [#uses=1]
>> > +  %H = fadd reassoc float %F, %G         ; <float> [#uses=1]
>> > +  %I = fpext float %H to double   ; <double> [#uses=1]
>> > +  %J = fadd reassoc double %I, %E         ; <double> [#uses=1]
>> > +  ret double %J
>> > +}
>> > +
>> > +define double @test_reassoc_FMADD_ASSOC_EXT3(float %A, float %B, double %C,
>> > +; CHECK-LABEL: test_reassoc_FMADD_ASSOC_EXT3:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmadd 0, 1, 2, 5
>> > +; CHECK-NEXT:    fmadd 1, 3, 4, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_reassoc_FMADD_ASSOC_EXT3:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmaddmdp 1, 2, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 1, 3, 4
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 double %D, double %E) {
>> > +  %F = fmul reassoc float %A, %B          ; <float> [#uses=1]
>> > +  %G = fpext float %F to double   ; <double> [#uses=1]
>> > +  %H = fmul reassoc double %C, %D         ; <double> [#uses=1]
>> > +  %I = fadd reassoc double %H, %G         ; <double> [#uses=1]
>> > +  %J = fadd reassoc double %E, %I         ; <double> [#uses=1]
>> > +  ret double %J
>> > +}
>> > +
>> > +define double @test_reassoc_FMADD_ASSOC_EXT4(float %A, float %B, float %C,
>> > +; CHECK-LABEL: test_reassoc_FMADD_ASSOC_EXT4:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmadd 0, 3, 4, 5
>> > +; CHECK-NEXT:    fmadd 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_reassoc_FMADD_ASSOC_EXT4:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmaddmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 float %D, double %E) {
>> > +  %F = fmul reassoc float %A, %B          ; <float> [#uses=1]
>> > +  %G = fmul reassoc float %C, %D          ; <float> [#uses=1]
>> > +  %H = fadd reassoc float %F, %G          ; <float> [#uses=1]
>> > +  %I = fpext float %H to double   ; <double> [#uses=1]
>> > +  %J = fadd reassoc double %E, %I         ; <double> [#uses=1]
>> > +  ret double %J
>> > +}
>> > +
>> > +define double @test_reassoc_FMSUB_ASSOC_EXT1(float %A, float %B, double %C,
>> > +; CHECK-LABEL: test_reassoc_FMSUB_ASSOC_EXT1:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmsub 0, 1, 2, 5
>> > +; CHECK-NEXT:    fmadd 1, 3, 4, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_reassoc_FMSUB_ASSOC_EXT1:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmsubmdp 1, 2, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 1, 3, 4
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 double %D, double %E) {
>> > +  %F = fmul reassoc float %A, %B          ; <float> [#uses=1]
>> > +  %G = fpext float %F to double   ; <double> [#uses=1]
>> > +  %H = fmul reassoc double %C, %D         ; <double> [#uses=1]
>> > +  %I = fadd reassoc double %H, %G         ; <double> [#uses=1]
>> > +  %J = fsub reassoc double %I, %E         ; <double> [#uses=1]
>> > +  ret double %J
>> > +}
>> > +
>> > +define double @test_reassoc_FMSUB_ASSOC_EXT2(float %A, float %B, float %C,
>> > +; CHECK-LABEL: test_reassoc_FMSUB_ASSOC_EXT2:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fmsub 0, 3, 4, 5
>> > +; CHECK-NEXT:    fmadd 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_reassoc_FMSUB_ASSOC_EXT2:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsmsubmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsmaddadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 float %D, double %E) {
>> > +  %F = fmul reassoc float %A, %B          ; <float> [#uses=1]
>> > +  %G = fmul reassoc float %C, %D          ; <float> [#uses=1]
>> > +  %H = fadd reassoc float %F, %G          ; <float> [#uses=1]
>> > +  %I = fpext float %H to double   ; <double> [#uses=1]
>> > +  %J = fsub reassoc double %I, %E         ; <double> [#uses=1]
>> > +  ret double %J
>> > +}
>> > +
>> > +define double @test_reassoc_FMSUB_ASSOC_EXT3(float %A, float %B, double %C,
>> > +; CHECK-LABEL: test_reassoc_FMSUB_ASSOC_EXT3:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fnmsub 0, 1, 2, 5
>> > +; CHECK-NEXT:    fnmsub 1, 3, 4, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_reassoc_FMSUB_ASSOC_EXT3:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsnmsubmdp 1, 2, 5
>> > +; CHECK-VSX-NEXT:    xsnmsubadp 1, 3, 4
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 double %D, double %E) {
>> > +  %F = fmul reassoc float %A, %B          ; <float> [#uses=1]
>> > +  %G = fpext float %F to double   ; <double> [#uses=1]
>> > +  %H = fmul reassoc double %C, %D         ; <double> [#uses=1]
>> > +  %I = fadd reassoc double %H, %G         ; <double> [#uses=1]
>> > +  %J = fsub reassoc double %E, %I         ; <double> [#uses=1]
>> > +  ret double %J
>> > +}
>> > +
>> > +define double @test_reassoc_FMSUB_ASSOC_EXT4(float %A, float %B, float %C,
>> > +; CHECK-LABEL: test_reassoc_FMSUB_ASSOC_EXT4:
>> > +; CHECK:       # %bb.0:
>> > +; CHECK-NEXT:    fnmsub 0, 3, 4, 5
>> > +; CHECK-NEXT:    fnmsub 1, 1, 2, 0
>> > +; CHECK-NEXT:    blr
>> > +;
>> > +; CHECK-VSX-LABEL: test_reassoc_FMSUB_ASSOC_EXT4:
>> > +; CHECK-VSX:       # %bb.0:
>> > +; CHECK-VSX-NEXT:    xsnmsubmdp 3, 4, 5
>> > +; CHECK-VSX-NEXT:    xsnmsubadp 3, 1, 2
>> > +; CHECK-VSX-NEXT:    fmr 1, 3
>> > +; CHECK-VSX-NEXT:    blr
>> > +                                 float %D, double %E) {
>> > +  %F = fmul reassoc float %A, %B          ; <float> [#uses=1]
>> > +  %G = fmul reassoc float %C, %D          ; <float> [#uses=1]
>> > +  %H = fadd reassoc float %F, %G          ; <float> [#uses=1]
>> > +  %I = fpext float %H to double   ; <double> [#uses=1]
>> > +  %J = fsub reassoc double %E, %I         ; <double> [#uses=1]
>> > +  ret double %J
>> > +}
>> >
>> >
>> >
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