|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
|  | ; RUN: llc < %s -mtriple=x86_64-pc-linux-gnu     | FileCheck %s --check-prefix=CHECK --check-prefix=GNU | 
|  | ; RUN: llc < %s -mtriple=x86_64-pc-windows-msvc  | FileCheck %s --check-prefix=CHECK --check-prefix=WIN | 
|  | ; RUN: llc < %s -mtriple=x86_64-apple-darwin     | FileCheck %s --check-prefix=CHECK --check-prefix=MAC | 
|  |  | 
|  | ; PR35672 - https://bugs.llvm.org/show_bug.cgi?id=35672 | 
|  | ; FIXME: We would not need the function-level attributes if FMF were propagated to DAG nodes for this case. | 
|  |  | 
|  | define float @exp_f32(float %x) #0 { | 
|  | ; GNU-LABEL: exp_f32: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    jmp __expf_finite # TAILCALL | 
|  | ; | 
|  | ; WIN-LABEL: exp_f32: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    jmp expf # TAILCALL | 
|  | ; | 
|  | ; MAC-LABEL: exp_f32: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    jmp _expf ## TAILCALL | 
|  | %r = tail call nnan ninf float @llvm.exp.f32(float %x) | 
|  | ret float %r | 
|  | } | 
|  |  | 
|  | define double @exp_f64(double %x) #0 { | 
|  | ; GNU-LABEL: exp_f64: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    jmp __exp_finite # TAILCALL | 
|  | ; | 
|  | ; WIN-LABEL: exp_f64: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    jmp exp # TAILCALL | 
|  | ; | 
|  | ; MAC-LABEL: exp_f64: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    jmp _exp ## TAILCALL | 
|  | %r = tail call nnan ninf double @llvm.exp.f64(double %x) | 
|  | ret double %r | 
|  | } | 
|  |  | 
|  | define x86_fp80 @exp_f80(x86_fp80 %x) #0 { | 
|  | ; GNU-LABEL: exp_f80: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    subq $24, %rsp | 
|  | ; GNU-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; GNU-NEXT:    fstpt (%rsp) | 
|  | ; GNU-NEXT:    callq __expl_finite | 
|  | ; GNU-NEXT:    addq $24, %rsp | 
|  | ; GNU-NEXT:    retq | 
|  | ; | 
|  | ; WIN-LABEL: exp_f80: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    pushq %rsi | 
|  | ; WIN-NEXT:    subq $64, %rsp | 
|  | ; WIN-NEXT:    movq %rcx, %rsi | 
|  | ; WIN-NEXT:    fldt (%rdx) | 
|  | ; WIN-NEXT:    fstpt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %rcx | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %rdx | 
|  | ; WIN-NEXT:    callq expl | 
|  | ; WIN-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    fstpt (%rsi) | 
|  | ; WIN-NEXT:    movq %rsi, %rax | 
|  | ; WIN-NEXT:    addq $64, %rsp | 
|  | ; WIN-NEXT:    popq %rsi | 
|  | ; WIN-NEXT:    retq | 
|  | ; | 
|  | ; MAC-LABEL: exp_f80: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    subq $24, %rsp | 
|  | ; MAC-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; MAC-NEXT:    fstpt (%rsp) | 
|  | ; MAC-NEXT:    callq _expl | 
|  | ; MAC-NEXT:    addq $24, %rsp | 
|  | ; MAC-NEXT:    retq | 
|  | %r = tail call nnan ninf x86_fp80 @llvm.exp.f80(x86_fp80 %x) | 
|  | ret x86_fp80 %r | 
|  | } | 
|  |  | 
|  | define float @exp2_f32(float %x) #0 { | 
|  | ; GNU-LABEL: exp2_f32: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    jmp __exp2f_finite # TAILCALL | 
|  | ; | 
|  | ; WIN-LABEL: exp2_f32: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    jmp exp2f # TAILCALL | 
|  | ; | 
|  | ; MAC-LABEL: exp2_f32: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    jmp _exp2f ## TAILCALL | 
|  | %r = tail call nnan ninf float @llvm.exp2.f32(float %x) | 
|  | ret float %r | 
|  | } | 
|  |  | 
|  | define double @exp2_f64(double %x) #0 { | 
|  | ; GNU-LABEL: exp2_f64: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    jmp __exp2_finite # TAILCALL | 
|  | ; | 
|  | ; WIN-LABEL: exp2_f64: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    jmp exp2 # TAILCALL | 
|  | ; | 
|  | ; MAC-LABEL: exp2_f64: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    jmp _exp2 ## TAILCALL | 
|  | %r = tail call nnan ninf double @llvm.exp2.f64(double %x) | 
|  | ret double %r | 
|  | } | 
|  |  | 
|  | define x86_fp80 @exp2_f80(x86_fp80 %x) #0 { | 
|  | ; GNU-LABEL: exp2_f80: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    subq $24, %rsp | 
|  | ; GNU-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; GNU-NEXT:    fstpt (%rsp) | 
|  | ; GNU-NEXT:    callq __exp2l_finite | 
|  | ; GNU-NEXT:    addq $24, %rsp | 
|  | ; GNU-NEXT:    retq | 
|  | ; | 
|  | ; WIN-LABEL: exp2_f80: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    pushq %rsi | 
|  | ; WIN-NEXT:    subq $64, %rsp | 
|  | ; WIN-NEXT:    movq %rcx, %rsi | 
|  | ; WIN-NEXT:    fldt (%rdx) | 
|  | ; WIN-NEXT:    fstpt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %rcx | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %rdx | 
|  | ; WIN-NEXT:    callq exp2l | 
|  | ; WIN-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    fstpt (%rsi) | 
|  | ; WIN-NEXT:    movq %rsi, %rax | 
|  | ; WIN-NEXT:    addq $64, %rsp | 
|  | ; WIN-NEXT:    popq %rsi | 
|  | ; WIN-NEXT:    retq | 
|  | ; | 
|  | ; MAC-LABEL: exp2_f80: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    subq $24, %rsp | 
|  | ; MAC-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; MAC-NEXT:    fstpt (%rsp) | 
|  | ; MAC-NEXT:    callq _exp2l | 
|  | ; MAC-NEXT:    addq $24, %rsp | 
|  | ; MAC-NEXT:    retq | 
|  | %r = tail call nnan ninf x86_fp80 @llvm.exp2.f80(x86_fp80 %x) | 
|  | ret x86_fp80 %r | 
|  | } | 
|  |  | 
|  | define float @log_f32(float %x) #0 { | 
|  | ; GNU-LABEL: log_f32: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    jmp __logf_finite # TAILCALL | 
|  | ; | 
|  | ; WIN-LABEL: log_f32: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    jmp logf # TAILCALL | 
|  | ; | 
|  | ; MAC-LABEL: log_f32: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    jmp _logf ## TAILCALL | 
|  | %r = tail call nnan ninf float @llvm.log.f32(float %x) | 
|  | ret float %r | 
|  | } | 
|  |  | 
|  | define double @log_f64(double %x) #0 { | 
|  | ; GNU-LABEL: log_f64: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    jmp __log_finite # TAILCALL | 
|  | ; | 
|  | ; WIN-LABEL: log_f64: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    jmp log # TAILCALL | 
|  | ; | 
|  | ; MAC-LABEL: log_f64: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    jmp _log ## TAILCALL | 
|  | %r = tail call nnan ninf double @llvm.log.f64(double %x) | 
|  | ret double %r | 
|  | } | 
|  |  | 
|  | define x86_fp80 @log_f80(x86_fp80 %x) #0 { | 
|  | ; GNU-LABEL: log_f80: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    subq $24, %rsp | 
|  | ; GNU-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; GNU-NEXT:    fstpt (%rsp) | 
|  | ; GNU-NEXT:    callq __logl_finite | 
|  | ; GNU-NEXT:    addq $24, %rsp | 
|  | ; GNU-NEXT:    retq | 
|  | ; | 
|  | ; WIN-LABEL: log_f80: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    pushq %rsi | 
|  | ; WIN-NEXT:    subq $64, %rsp | 
|  | ; WIN-NEXT:    movq %rcx, %rsi | 
|  | ; WIN-NEXT:    fldt (%rdx) | 
|  | ; WIN-NEXT:    fstpt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %rcx | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %rdx | 
|  | ; WIN-NEXT:    callq logl | 
|  | ; WIN-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    fstpt (%rsi) | 
|  | ; WIN-NEXT:    movq %rsi, %rax | 
|  | ; WIN-NEXT:    addq $64, %rsp | 
|  | ; WIN-NEXT:    popq %rsi | 
|  | ; WIN-NEXT:    retq | 
|  | ; | 
|  | ; MAC-LABEL: log_f80: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    subq $24, %rsp | 
|  | ; MAC-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; MAC-NEXT:    fstpt (%rsp) | 
|  | ; MAC-NEXT:    callq _logl | 
|  | ; MAC-NEXT:    addq $24, %rsp | 
|  | ; MAC-NEXT:    retq | 
|  | %r = tail call nnan ninf x86_fp80 @llvm.log.f80(x86_fp80 %x) | 
|  | ret x86_fp80 %r | 
|  | } | 
|  |  | 
|  | define float @log2_f32(float %x) #0 { | 
|  | ; GNU-LABEL: log2_f32: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    jmp __log2f_finite # TAILCALL | 
|  | ; | 
|  | ; WIN-LABEL: log2_f32: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    jmp log2f # TAILCALL | 
|  | ; | 
|  | ; MAC-LABEL: log2_f32: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    jmp _log2f ## TAILCALL | 
|  | %r = tail call nnan ninf float @llvm.log2.f32(float %x) | 
|  | ret float %r | 
|  | } | 
|  |  | 
|  | define double @log2_f64(double %x) #0 { | 
|  | ; GNU-LABEL: log2_f64: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    jmp __log2_finite # TAILCALL | 
|  | ; | 
|  | ; WIN-LABEL: log2_f64: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    jmp log2 # TAILCALL | 
|  | ; | 
|  | ; MAC-LABEL: log2_f64: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    jmp _log2 ## TAILCALL | 
|  | %r = tail call nnan ninf double @llvm.log2.f64(double %x) | 
|  | ret double %r | 
|  | } | 
|  |  | 
|  | define x86_fp80 @log2_f80(x86_fp80 %x) #0 { | 
|  | ; GNU-LABEL: log2_f80: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    subq $24, %rsp | 
|  | ; GNU-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; GNU-NEXT:    fstpt (%rsp) | 
|  | ; GNU-NEXT:    callq __log2l_finite | 
|  | ; GNU-NEXT:    addq $24, %rsp | 
|  | ; GNU-NEXT:    retq | 
|  | ; | 
|  | ; WIN-LABEL: log2_f80: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    pushq %rsi | 
|  | ; WIN-NEXT:    subq $64, %rsp | 
|  | ; WIN-NEXT:    movq %rcx, %rsi | 
|  | ; WIN-NEXT:    fldt (%rdx) | 
|  | ; WIN-NEXT:    fstpt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %rcx | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %rdx | 
|  | ; WIN-NEXT:    callq log2l | 
|  | ; WIN-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    fstpt (%rsi) | 
|  | ; WIN-NEXT:    movq %rsi, %rax | 
|  | ; WIN-NEXT:    addq $64, %rsp | 
|  | ; WIN-NEXT:    popq %rsi | 
|  | ; WIN-NEXT:    retq | 
|  | ; | 
|  | ; MAC-LABEL: log2_f80: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    subq $24, %rsp | 
|  | ; MAC-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; MAC-NEXT:    fstpt (%rsp) | 
|  | ; MAC-NEXT:    callq _log2l | 
|  | ; MAC-NEXT:    addq $24, %rsp | 
|  | ; MAC-NEXT:    retq | 
|  | %r = tail call nnan ninf x86_fp80 @llvm.log2.f80(x86_fp80 %x) | 
|  | ret x86_fp80 %r | 
|  | } | 
|  |  | 
|  | define float @log10_f32(float %x) #0 { | 
|  | ; GNU-LABEL: log10_f32: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    jmp __log10f_finite # TAILCALL | 
|  | ; | 
|  | ; WIN-LABEL: log10_f32: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    jmp log10f # TAILCALL | 
|  | ; | 
|  | ; MAC-LABEL: log10_f32: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    jmp _log10f ## TAILCALL | 
|  | %r = tail call nnan ninf float @llvm.log10.f32(float %x) | 
|  | ret float %r | 
|  | } | 
|  |  | 
|  | define double @log10_f64(double %x) #0 { | 
|  | ; GNU-LABEL: log10_f64: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    jmp __log10_finite # TAILCALL | 
|  | ; | 
|  | ; WIN-LABEL: log10_f64: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    jmp log10 # TAILCALL | 
|  | ; | 
|  | ; MAC-LABEL: log10_f64: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    jmp _log10 ## TAILCALL | 
|  | %r = tail call nnan ninf double @llvm.log10.f64(double %x) | 
|  | ret double %r | 
|  | } | 
|  |  | 
|  | define x86_fp80 @log10_f80(x86_fp80 %x) #0 { | 
|  | ; GNU-LABEL: log10_f80: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    subq $24, %rsp | 
|  | ; GNU-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; GNU-NEXT:    fstpt (%rsp) | 
|  | ; GNU-NEXT:    callq __log10l_finite | 
|  | ; GNU-NEXT:    addq $24, %rsp | 
|  | ; GNU-NEXT:    retq | 
|  | ; | 
|  | ; WIN-LABEL: log10_f80: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    pushq %rsi | 
|  | ; WIN-NEXT:    subq $64, %rsp | 
|  | ; WIN-NEXT:    movq %rcx, %rsi | 
|  | ; WIN-NEXT:    fldt (%rdx) | 
|  | ; WIN-NEXT:    fstpt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %rcx | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %rdx | 
|  | ; WIN-NEXT:    callq log10l | 
|  | ; WIN-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    fstpt (%rsi) | 
|  | ; WIN-NEXT:    movq %rsi, %rax | 
|  | ; WIN-NEXT:    addq $64, %rsp | 
|  | ; WIN-NEXT:    popq %rsi | 
|  | ; WIN-NEXT:    retq | 
|  | ; | 
|  | ; MAC-LABEL: log10_f80: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    subq $24, %rsp | 
|  | ; MAC-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; MAC-NEXT:    fstpt (%rsp) | 
|  | ; MAC-NEXT:    callq _log10l | 
|  | ; MAC-NEXT:    addq $24, %rsp | 
|  | ; MAC-NEXT:    retq | 
|  | %r = tail call nnan ninf x86_fp80 @llvm.log10.f80(x86_fp80 %x) | 
|  | ret x86_fp80 %r | 
|  | } | 
|  |  | 
|  | define float @pow_f32(float %x) #0 { | 
|  | ; GNU-LABEL: pow_f32: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; GNU-NEXT:    jmp __powf_finite # TAILCALL | 
|  | ; | 
|  | ; WIN-LABEL: pow_f32: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; WIN-NEXT:    jmp powf # TAILCALL | 
|  | ; | 
|  | ; MAC-LABEL: pow_f32: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; MAC-NEXT:    jmp _powf ## TAILCALL | 
|  | %r = tail call nnan ninf float @llvm.pow.f32(float %x, float %x) | 
|  | ret float %r | 
|  | } | 
|  |  | 
|  | define double @pow_f64(double %x) #0 { | 
|  | ; GNU-LABEL: pow_f64: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; GNU-NEXT:    jmp __pow_finite # TAILCALL | 
|  | ; | 
|  | ; WIN-LABEL: pow_f64: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; WIN-NEXT:    jmp pow # TAILCALL | 
|  | ; | 
|  | ; MAC-LABEL: pow_f64: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; MAC-NEXT:    jmp _pow ## TAILCALL | 
|  | %r = tail call nnan ninf double @llvm.pow.f64(double %x, double %x) | 
|  | ret double %r | 
|  | } | 
|  |  | 
|  | define x86_fp80 @pow_f80(x86_fp80 %x) #0 { | 
|  | ; GNU-LABEL: pow_f80: | 
|  | ; GNU:       # %bb.0: | 
|  | ; GNU-NEXT:    subq $40, %rsp | 
|  | ; GNU-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; GNU-NEXT:    fld %st(0) | 
|  | ; GNU-NEXT:    fstpt {{[0-9]+}}(%rsp) | 
|  | ; GNU-NEXT:    fstpt (%rsp) | 
|  | ; GNU-NEXT:    callq __powl_finite | 
|  | ; GNU-NEXT:    addq $40, %rsp | 
|  | ; GNU-NEXT:    retq | 
|  | ; | 
|  | ; WIN-LABEL: pow_f80: | 
|  | ; WIN:       # %bb.0: | 
|  | ; WIN-NEXT:    pushq %rsi | 
|  | ; WIN-NEXT:    subq $80, %rsp | 
|  | ; WIN-NEXT:    movq %rcx, %rsi | 
|  | ; WIN-NEXT:    fldt (%rdx) | 
|  | ; WIN-NEXT:    fld %st(0) | 
|  | ; WIN-NEXT:    fstpt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    fstpt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %rcx | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %rdx | 
|  | ; WIN-NEXT:    leaq {{[0-9]+}}(%rsp), %r8 | 
|  | ; WIN-NEXT:    callq powl | 
|  | ; WIN-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; WIN-NEXT:    fstpt (%rsi) | 
|  | ; WIN-NEXT:    movq %rsi, %rax | 
|  | ; WIN-NEXT:    addq $80, %rsp | 
|  | ; WIN-NEXT:    popq %rsi | 
|  | ; WIN-NEXT:    retq | 
|  | ; | 
|  | ; MAC-LABEL: pow_f80: | 
|  | ; MAC:       ## %bb.0: | 
|  | ; MAC-NEXT:    subq $40, %rsp | 
|  | ; MAC-NEXT:    fldt {{[0-9]+}}(%rsp) | 
|  | ; MAC-NEXT:    fld %st(0) | 
|  | ; MAC-NEXT:    fstpt {{[0-9]+}}(%rsp) | 
|  | ; MAC-NEXT:    fstpt (%rsp) | 
|  | ; MAC-NEXT:    callq _powl | 
|  | ; MAC-NEXT:    addq $40, %rsp | 
|  | ; MAC-NEXT:    retq | 
|  | %r = tail call nnan ninf x86_fp80 @llvm.pow.f80(x86_fp80 %x, x86_fp80 %x) | 
|  | ret x86_fp80 %r | 
|  | } | 
|  |  | 
|  | declare float @llvm.exp.f32(float) #1 | 
|  | declare double @llvm.exp.f64(double) #1 | 
|  | declare x86_fp80 @llvm.exp.f80(x86_fp80) #1 | 
|  |  | 
|  | declare float @llvm.exp2.f32(float) #1 | 
|  | declare double @llvm.exp2.f64(double) #1 | 
|  | declare x86_fp80 @llvm.exp2.f80(x86_fp80) #1 | 
|  |  | 
|  | declare float @llvm.log.f32(float) #1 | 
|  | declare double @llvm.log.f64(double) #1 | 
|  | declare x86_fp80 @llvm.log.f80(x86_fp80) #1 | 
|  |  | 
|  | declare float @llvm.log2.f32(float) #1 | 
|  | declare double @llvm.log2.f64(double) #1 | 
|  | declare x86_fp80 @llvm.log2.f80(x86_fp80) #1 | 
|  |  | 
|  | declare float @llvm.log10.f32(float) #1 | 
|  | declare double @llvm.log10.f64(double) #1 | 
|  | declare x86_fp80 @llvm.log10.f80(x86_fp80) #1 | 
|  |  | 
|  | declare float @llvm.pow.f32(float, float) #1 | 
|  | declare double @llvm.pow.f64(double, double) #1 | 
|  | declare x86_fp80 @llvm.pow.f80(x86_fp80, x86_fp80) #1 | 
|  |  | 
|  | attributes #0 = { nounwind "no-infs-fp-math"="true" "no-nans-fp-math"="true" } | 
|  | attributes #1 = { nounwind readnone speculatable } | 
|  |  |