diff options
| -rw-r--r-- | llvm/test/CodeGen/X86/fmf-flags.ll | 59 |
1 files changed, 37 insertions, 22 deletions
diff --git a/llvm/test/CodeGen/X86/fmf-flags.ll b/llvm/test/CodeGen/X86/fmf-flags.ll index 4fb2040b338..440756fca87 100644 --- a/llvm/test/CodeGen/X86/fmf-flags.ll +++ b/llvm/test/CodeGen/X86/fmf-flags.ll @@ -8,11 +8,11 @@ define float @fast_recip_sqrt(float %x) { ; X64-LABEL: fast_recip_sqrt: ; X64: # %bb.0: ; X64-NEXT: rsqrtss %xmm0, %xmm1 -; 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: 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: retq ; ; X86-LABEL: fast_recip_sqrt: @@ -38,7 +38,7 @@ define float @fast_fmuladd_opts(float %a , float %b , float %c) { ; X86-LABEL: fast_fmuladd_opts: ; X86: # %bb.0: ; X86-NEXT: flds {{[0-9]+}}(%esp) -; X86-NEXT: fmuls {{.*}} +; X86-NEXT: fmuls {{\.LCPI.*}} ; X86-NEXT: retl %res = call fast float @llvm.fmuladd.f32(float %a, float 2.0, float %a) ret float %res @@ -51,7 +51,7 @@ define float @fast_fmuladd_opts(float %a , float %b , float %c) { define double @not_so_fast_mul_add(double %x) { ; X64-LABEL: not_so_fast_mul_add: ; X64: # %bb.0: -; X64-NEXT: movsd {{.*}}(%rip), %xmm1 +; X64-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero ; X64-NEXT: mulsd %xmm0, %xmm1 ; X64-NEXT: mulsd {{.*}}(%rip), %xmm0 ; X64-NEXT: movsd %xmm1, {{.*}}(%rip) @@ -81,13 +81,13 @@ define float @not_so_fast_recip_sqrt(float %x) { ; X64-LABEL: not_so_fast_recip_sqrt: ; X64: # %bb.0: ; 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) +; 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, {{.*}}(%rip) ; X64-NEXT: retq ; ; X86-LABEL: not_so_fast_recip_sqrt: @@ -107,17 +107,32 @@ define float @not_so_fast_recip_sqrt(float %x) { } 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 +; X64: # %bb.0: +; X64-NEXT: pushq %rax +; X64-NEXT: .cfi_def_cfa_offset 16 +; X64-NEXT: callq __gnu_f2h_ieee +; X64-NEXT: movzwl %ax, %edi +; X64-NEXT: callq __gnu_h2f_ieee +; X64-NEXT: mulss {{.*}}(%rip), %xmm0 +; X64-NEXT: popq %rax +; X64-NEXT: .cfi_def_cfa_offset 8 +; X64-NEXT: retq ; -; X86-LABEL: .LCPI4_0: -; X86-NEXT: .long 1036828672 ; X86-LABEL: div_arcp_by_const: -; X86: movzwl %ax, %eax -; X86: fmuls .LCPI4_0 +; X86: # %bb.0: +; X86-NEXT: pushl %eax +; X86-NEXT: .cfi_def_cfa_offset 8 +; X86-NEXT: flds {{[0-9]+}}(%esp) +; X86-NEXT: fstps (%esp) +; X86-NEXT: calll __gnu_f2h_ieee +; X86-NEXT: movzwl %ax, %eax +; X86-NEXT: movl %eax, (%esp) +; X86-NEXT: calll __gnu_h2f_ieee +; X86-NEXT: fmuls {{\.LCPI.*}} +; X86-NEXT: popl %eax +; X86-NEXT: .cfi_def_cfa_offset 4 +; X86-NEXT: retl %rcp = fdiv arcp half %x, 10.0 %z = fpext half %rcp to float ret float %z |
