350 lines
12 KiB
LLVM
350 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -enable-no-signed-zeros-fp-math \
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; RUN: -enable-unsafe-fp-math < %s | FileCheck -check-prefix=CHECK-FAST %s
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; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -enable-no-signed-zeros-fp-math \
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; RUN: -enable-unsafe-fp-math -mattr=-vsx < %s | FileCheck -check-prefix=CHECK-FAST-NOVSX %s
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; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
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define dso_local double @fma_combine1(double %a, double %b, double %c) {
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; CHECK-FAST-LABEL: fma_combine1:
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; CHECK-FAST: # %bb.0: # %entry
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; CHECK-FAST-NEXT: xsnmaddadp 1, 3, 2
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; CHECK-FAST-NEXT: blr
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;
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; CHECK-FAST-NOVSX-LABEL: fma_combine1:
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; CHECK-FAST-NOVSX: # %bb.0: # %entry
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; CHECK-FAST-NOVSX-NEXT: fnmadd 1, 3, 2, 1
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; CHECK-FAST-NOVSX-NEXT: blr
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;
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; CHECK-LABEL: fma_combine1:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xsnegdp 0, 3
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; CHECK-NEXT: xsmuldp 0, 0, 2
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; CHECK-NEXT: xssubdp 1, 0, 1
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; CHECK-NEXT: blr
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entry:
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%fneg1 = fneg double %c
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%mul = fmul double %fneg1, %b
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%add = fsub double %mul, %a
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ret double %add
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}
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define dso_local double @fma_combine2(double %a, double %b, double %c) {
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; CHECK-FAST-LABEL: fma_combine2:
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; CHECK-FAST: # %bb.0: # %entry
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; CHECK-FAST-NEXT: xsnmaddadp 1, 2, 3
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; CHECK-FAST-NEXT: blr
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;
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; CHECK-FAST-NOVSX-LABEL: fma_combine2:
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; CHECK-FAST-NOVSX: # %bb.0: # %entry
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; CHECK-FAST-NOVSX-NEXT: fnmadd 1, 2, 3, 1
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; CHECK-FAST-NOVSX-NEXT: blr
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;
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; CHECK-LABEL: fma_combine2:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xsnegdp 0, 3
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; CHECK-NEXT: xsmuldp 0, 2, 0
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; CHECK-NEXT: xssubdp 1, 0, 1
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; CHECK-NEXT: blr
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entry:
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%fneg1 = fneg double %c
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%mul = fmul double %b, %fneg1
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%add = fsub double %mul, %a
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ret double %add
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}
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@v = common dso_local local_unnamed_addr global double 0.000000e+00, align 8
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@z = common dso_local local_unnamed_addr global double 0.000000e+00, align 8
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define dso_local double @fma_combine_two_uses(double %a, double %b, double %c) {
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; CHECK-FAST-LABEL: fma_combine_two_uses:
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; CHECK-FAST: # %bb.0: # %entry
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; CHECK-FAST-NEXT: xsnegdp 0, 1
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; CHECK-FAST-NEXT: addis 3, 2, v@toc@ha
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; CHECK-FAST-NEXT: addis 4, 2, z@toc@ha
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; CHECK-FAST-NEXT: xsnmaddadp 1, 3, 2
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; CHECK-FAST-NEXT: xsnegdp 2, 3
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; CHECK-FAST-NEXT: stfd 0, v@toc@l(3)
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; CHECK-FAST-NEXT: stfd 2, z@toc@l(4)
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; CHECK-FAST-NEXT: blr
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;
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; CHECK-FAST-NOVSX-LABEL: fma_combine_two_uses:
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; CHECK-FAST-NOVSX: # %bb.0: # %entry
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; CHECK-FAST-NOVSX-NEXT: fnmadd 0, 3, 2, 1
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; CHECK-FAST-NOVSX-NEXT: fneg 2, 1
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; CHECK-FAST-NOVSX-NEXT: addis 3, 2, v@toc@ha
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; CHECK-FAST-NOVSX-NEXT: addis 4, 2, z@toc@ha
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; CHECK-FAST-NOVSX-NEXT: fneg 3, 3
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; CHECK-FAST-NOVSX-NEXT: fmr 1, 0
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; CHECK-FAST-NOVSX-NEXT: stfd 2, v@toc@l(3)
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; CHECK-FAST-NOVSX-NEXT: stfd 3, z@toc@l(4)
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; CHECK-FAST-NOVSX-NEXT: blr
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;
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; CHECK-LABEL: fma_combine_two_uses:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xsnegdp 3, 3
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; CHECK-NEXT: addis 3, 2, v@toc@ha
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; CHECK-NEXT: addis 4, 2, z@toc@ha
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; CHECK-NEXT: xsmuldp 0, 3, 2
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; CHECK-NEXT: stfd 3, z@toc@l(4)
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; CHECK-NEXT: xsnegdp 2, 1
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; CHECK-NEXT: xssubdp 0, 0, 1
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; CHECK-NEXT: stfd 2, v@toc@l(3)
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; CHECK-NEXT: fmr 1, 0
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; CHECK-NEXT: blr
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entry:
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%fneg = fneg double %a
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store double %fneg, double* @v, align 8
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%fneg1 = fneg double %c
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store double %fneg1, double* @z, align 8
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%mul = fmul double %fneg1, %b
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%add = fsub double %mul, %a
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ret double %add
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}
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define dso_local double @fma_combine_one_use(double %a, double %b, double %c) {
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; CHECK-FAST-LABEL: fma_combine_one_use:
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; CHECK-FAST: # %bb.0: # %entry
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; CHECK-FAST-NEXT: xsnegdp 0, 1
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; CHECK-FAST-NEXT: addis 3, 2, v@toc@ha
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; CHECK-FAST-NEXT: xsnmaddadp 1, 3, 2
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; CHECK-FAST-NEXT: stfd 0, v@toc@l(3)
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; CHECK-FAST-NEXT: blr
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;
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; CHECK-FAST-NOVSX-LABEL: fma_combine_one_use:
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; CHECK-FAST-NOVSX: # %bb.0: # %entry
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; CHECK-FAST-NOVSX-NEXT: fnmadd 0, 3, 2, 1
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; CHECK-FAST-NOVSX-NEXT: fneg 2, 1
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; CHECK-FAST-NOVSX-NEXT: addis 3, 2, v@toc@ha
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; CHECK-FAST-NOVSX-NEXT: fmr 1, 0
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; CHECK-FAST-NOVSX-NEXT: stfd 2, v@toc@l(3)
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; CHECK-FAST-NOVSX-NEXT: blr
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;
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; CHECK-LABEL: fma_combine_one_use:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xsnegdp 0, 3
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; CHECK-NEXT: addis 3, 2, v@toc@ha
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; CHECK-NEXT: xsmuldp 0, 0, 2
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; CHECK-NEXT: xsnegdp 2, 1
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; CHECK-NEXT: xssubdp 0, 0, 1
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; CHECK-NEXT: stfd 2, v@toc@l(3)
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; CHECK-NEXT: fmr 1, 0
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; CHECK-NEXT: blr
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entry:
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%fneg = fneg double %a
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store double %fneg, double* @v, align 8
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%fneg1 = fneg double %c
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%mul = fmul double %fneg1, %b
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%add = fsub double %mul, %a
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ret double %add
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}
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define dso_local float @fma_combine_no_ice() {
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; CHECK-FAST-LABEL: fma_combine_no_ice:
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; CHECK-FAST: # %bb.0:
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; CHECK-FAST-NEXT: addis 3, 2, .LCPI4_0@toc@ha
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; CHECK-FAST-NEXT: lfs 0, .LCPI4_0@toc@l(3)
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; CHECK-FAST-NEXT: addis 3, 2, .LCPI4_1@toc@ha
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; CHECK-FAST-NEXT: lfs 2, 0(3)
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; CHECK-FAST-NEXT: lfs 3, .LCPI4_1@toc@l(3)
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; CHECK-FAST-NEXT: addis 3, 2, .LCPI4_2@toc@ha
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; CHECK-FAST-NEXT: lfs 1, .LCPI4_2@toc@l(3)
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; CHECK-FAST-NEXT: xsmaddasp 3, 2, 0
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; CHECK-FAST-NEXT: xsmaddasp 1, 2, 3
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; CHECK-FAST-NEXT: xsnmsubasp 1, 3, 2
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; CHECK-FAST-NEXT: blr
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;
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; CHECK-FAST-NOVSX-LABEL: fma_combine_no_ice:
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; CHECK-FAST-NOVSX: # %bb.0:
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; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI4_0@toc@ha
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; CHECK-FAST-NOVSX-NEXT: lfs 0, .LCPI4_0@toc@l(3)
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; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI4_1@toc@ha
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; CHECK-FAST-NOVSX-NEXT: lfs 1, 0(3)
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; CHECK-FAST-NOVSX-NEXT: lfs 2, .LCPI4_1@toc@l(3)
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; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI4_2@toc@ha
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; CHECK-FAST-NOVSX-NEXT: fmadds 0, 1, 2, 0
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; CHECK-FAST-NOVSX-NEXT: lfs 2, .LCPI4_2@toc@l(3)
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; CHECK-FAST-NOVSX-NEXT: fmadds 2, 1, 0, 2
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; CHECK-FAST-NOVSX-NEXT: fnmsubs 1, 0, 1, 2
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; CHECK-FAST-NOVSX-NEXT: blr
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;
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; CHECK-LABEL: fma_combine_no_ice:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addis 3, 2, .LCPI4_0@toc@ha
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; CHECK-NEXT: lfs 0, .LCPI4_0@toc@l(3)
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; CHECK-NEXT: addis 3, 2, .LCPI4_1@toc@ha
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; CHECK-NEXT: lfs 2, 0(3)
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; CHECK-NEXT: lfs 3, .LCPI4_1@toc@l(3)
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; CHECK-NEXT: addis 3, 2, .LCPI4_2@toc@ha
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; CHECK-NEXT: lfs 1, .LCPI4_2@toc@l(3)
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; CHECK-NEXT: fmr 4, 3
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; CHECK-NEXT: xsmaddasp 3, 2, 0
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; CHECK-NEXT: xsnmaddasp 4, 2, 0
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; CHECK-NEXT: xsmaddasp 1, 2, 3
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; CHECK-NEXT: xsmaddasp 1, 4, 2
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; CHECK-NEXT: blr
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%tmp = load float, float* undef, align 4
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%tmp2 = load float, float* undef, align 4
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%tmp3 = fmul contract reassoc float %tmp, 0x3FE372D780000000
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%tmp4 = fadd contract reassoc float %tmp3, 1.000000e+00
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%tmp5 = fmul contract reassoc float %tmp2, %tmp4
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%tmp6 = load float, float* undef, align 4
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%tmp7 = load float, float* undef, align 4
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%tmp8 = fmul contract reassoc float %tmp7, 0x3FE372D780000000
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%tmp9 = fsub contract reassoc nsz float -1.000000e+00, %tmp8
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%tmp10 = fmul contract reassoc float %tmp9, %tmp6
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%tmp11 = fadd contract reassoc float %tmp5, 5.000000e-01
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%tmp12 = fadd contract reassoc float %tmp11, %tmp10
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ret float %tmp12
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}
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; This would crash while trying getNegatedExpression().
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define dso_local double @getNegatedExpression_crash(double %x, double %y) {
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; CHECK-FAST-LABEL: getNegatedExpression_crash:
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; CHECK-FAST: # %bb.0:
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; CHECK-FAST-NEXT: addis 3, 2, .LCPI5_1@toc@ha
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; CHECK-FAST-NEXT: lfs 3, .LCPI5_1@toc@l(3)
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; CHECK-FAST-NEXT: addis 3, 2, .LCPI5_0@toc@ha
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; CHECK-FAST-NEXT: lfs 4, .LCPI5_0@toc@l(3)
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; CHECK-FAST-NEXT: xssubdp 0, 1, 3
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; CHECK-FAST-NEXT: xsmaddadp 3, 1, 4
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; CHECK-FAST-NEXT: xsmaddadp 0, 3, 2
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; CHECK-FAST-NEXT: fmr 1, 0
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; CHECK-FAST-NEXT: blr
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;
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; CHECK-FAST-NOVSX-LABEL: getNegatedExpression_crash:
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; CHECK-FAST-NOVSX: # %bb.0:
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; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI5_0@toc@ha
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; CHECK-FAST-NOVSX-NEXT: addis 4, 2, .LCPI5_1@toc@ha
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; CHECK-FAST-NOVSX-NEXT: lfs 0, .LCPI5_0@toc@l(3)
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; CHECK-FAST-NOVSX-NEXT: lfs 3, .LCPI5_1@toc@l(4)
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; CHECK-FAST-NOVSX-NEXT: fmadd 3, 1, 3, 0
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; CHECK-FAST-NOVSX-NEXT: fsub 0, 1, 0
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; CHECK-FAST-NOVSX-NEXT: fmadd 1, 3, 2, 0
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; CHECK-FAST-NOVSX-NEXT: blr
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;
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; CHECK-LABEL: getNegatedExpression_crash:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addis 3, 2, .LCPI5_1@toc@ha
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; CHECK-NEXT: lfs 3, .LCPI5_1@toc@l(3)
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; CHECK-NEXT: addis 3, 2, .LCPI5_0@toc@ha
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; CHECK-NEXT: lfs 4, .LCPI5_0@toc@l(3)
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; CHECK-NEXT: xssubdp 0, 1, 3
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; CHECK-NEXT: xsmaddadp 3, 1, 4
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; CHECK-NEXT: xsmaddadp 0, 3, 2
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; CHECK-NEXT: fmr 1, 0
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; CHECK-NEXT: blr
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%neg = fneg reassoc double %x
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%fma = call reassoc nsz double @llvm.fma.f64(double %neg, double 42.0, double -1.0)
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%add = fadd reassoc nsz double %x, 1.0
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%fma1 = call reassoc nsz double @llvm.fma.f64(double %fma, double %y, double %add)
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ret double %fma1
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}
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define dso_local double @fma_flag_propagation(double %a) {
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; CHECK-FAST-LABEL: fma_flag_propagation:
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; CHECK-FAST: # %bb.0: # %entry
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; CHECK-FAST-NEXT: xxlxor 1, 1, 1
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; CHECK-FAST-NEXT: blr
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;
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; CHECK-FAST-NOVSX-LABEL: fma_flag_propagation:
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; CHECK-FAST-NOVSX: # %bb.0: # %entry
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; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI6_0@toc@ha
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; CHECK-FAST-NOVSX-NEXT: lfs 1, .LCPI6_0@toc@l(3)
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; CHECK-FAST-NOVSX-NEXT: blr
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;
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; CHECK-LABEL: fma_flag_propagation:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xxlxor 1, 1, 1
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; CHECK-NEXT: blr
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entry:
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%0 = fneg double %a
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%1 = call reassoc nnan double @llvm.fma.f64(double %0, double 1.0, double %a)
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ret double %1
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}
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define dso_local double @neg_fma_flag_propagation(double %a) {
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; CHECK-FAST-LABEL: neg_fma_flag_propagation:
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; CHECK-FAST: # %bb.0: # %entry
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; CHECK-FAST-NEXT: xxlxor 1, 1, 1
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; CHECK-FAST-NEXT: blr
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;
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; CHECK-FAST-NOVSX-LABEL: neg_fma_flag_propagation:
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; CHECK-FAST-NOVSX: # %bb.0: # %entry
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; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI7_0@toc@ha
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; CHECK-FAST-NOVSX-NEXT: lfs 1, .LCPI7_0@toc@l(3)
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; CHECK-FAST-NOVSX-NEXT: blr
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;
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; CHECK-LABEL: neg_fma_flag_propagation:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xxlxor 1, 1, 1
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; CHECK-NEXT: blr
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entry:
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%0 = call reassoc nnan double @llvm.fma.f64(double %a, double -1.0, double %a)
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ret double %0
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}
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define <2 x double> @vec_neg_fma_flag_propagation(<2 x double> %a) {
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; CHECK-FAST-LABEL: vec_neg_fma_flag_propagation:
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; CHECK-FAST: # %bb.0: # %entry
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; CHECK-FAST-NEXT: addis 3, 2, .LCPI8_0@toc@ha
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; CHECK-FAST-NEXT: addi 3, 3, .LCPI8_0@toc@l
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; CHECK-FAST-NEXT: lxvd2x 0, 0, 3
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; CHECK-FAST-NEXT: xxswapd 0, 0
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; CHECK-FAST-NEXT: xvmaddadp 34, 34, 0
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; CHECK-FAST-NEXT: blr
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;
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; CHECK-FAST-NOVSX-LABEL: vec_neg_fma_flag_propagation:
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; CHECK-FAST-NOVSX: # %bb.0: # %entry
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; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI8_0@toc@ha
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; CHECK-FAST-NOVSX-NEXT: lfs 1, .LCPI8_0@toc@l(3)
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; CHECK-FAST-NOVSX-NEXT: fmr 2, 1
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; CHECK-FAST-NOVSX-NEXT: blr
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;
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; CHECK-LABEL: vec_neg_fma_flag_propagation:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addis 3, 2, .LCPI8_0@toc@ha
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; CHECK-NEXT: addi 3, 3, .LCPI8_0@toc@l
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; CHECK-NEXT: lxvd2x 0, 0, 3
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; CHECK-NEXT: xxswapd 0, 0
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; CHECK-NEXT: xvmaddadp 34, 34, 0
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; CHECK-NEXT: blr
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entry:
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%0 = call reassoc nnan <2 x double> @llvm.fma.v2f64(<2 x double> %a, <2 x double> <double -1.0, double -1.0>, <2 x double> %a)
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ret <2 x double> %0
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}
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define dso_local double @fma_combine_const(double %a, double %b) {
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; CHECK-FAST-LABEL: fma_combine_const:
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; CHECK-FAST: # %bb.0: # %entry
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; CHECK-FAST-NEXT: addis 3, 2, .LCPI9_0@toc@ha
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; CHECK-FAST-NEXT: lfd 0, .LCPI9_0@toc@l(3)
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; CHECK-FAST-NEXT: xsmaddadp 2, 1, 0
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; CHECK-FAST-NEXT: fmr 1, 2
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; CHECK-FAST-NEXT: blr
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;
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; CHECK-FAST-NOVSX-LABEL: fma_combine_const:
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; CHECK-FAST-NOVSX: # %bb.0: # %entry
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; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI9_0@toc@ha
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; CHECK-FAST-NOVSX-NEXT: lfd 0, .LCPI9_0@toc@l(3)
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; CHECK-FAST-NOVSX-NEXT: fmadd 1, 1, 0, 2
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; CHECK-FAST-NOVSX-NEXT: blr
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;
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; CHECK-LABEL: fma_combine_const:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addis 3, 2, .LCPI9_0@toc@ha
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; CHECK-NEXT: lfd 0, .LCPI9_0@toc@l(3)
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; CHECK-NEXT: addis 3, 2, .LCPI9_1@toc@ha
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; CHECK-NEXT: lfd 3, .LCPI9_1@toc@l(3)
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; CHECK-NEXT: xsmuldp 0, 1, 0
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; CHECK-NEXT: fmr 1, 2
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; CHECK-NEXT: xsmaddadp 1, 0, 3
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; CHECK-NEXT: blr
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entry:
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%0 = fmul double %a, 1.1
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%1 = call contract double @llvm.fma.f64(double %0, double 2.1, double %b)
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ret double %1
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}
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declare double @llvm.fma.f64(double, double, double) nounwind readnone
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declare <2 x double> @llvm.fma.v2f64(<2 x double>, <2 x double>, <2 x double>) nounwind readnone
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