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[InferAttrs] Handle f[min/max]imum_num like other libm functions #170697

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Merged
nikic merged 1 commit into from
Dec 5, 2025
Merged

[InferAttrs] Handle f[min/max]imum_num like other libm functions #170697

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6 changes: 6 additions & 0 deletions llvm/lib/Transforms/Utils/BuildLibCalls.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1356,6 +1356,12 @@ bool llvm::inferNonMandatoryLibFuncAttrs(Function &F,
case LibFunc_fmin:
case LibFunc_fminf:
case LibFunc_fminl:
case LibFunc_fmaximum_num:
case LibFunc_fmaximum_numf:
case LibFunc_fmaximum_numl:
case LibFunc_fminimum_num:
case LibFunc_fminimum_numf:
case LibFunc_fminimum_numl:
case LibFunc_labs:
case LibFunc_llabs:
case LibFunc_nearbyint:
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18 changes: 18 additions & 0 deletions llvm/test/Transforms/InferFunctionAttrs/annotate.ll
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Expand Up @@ -473,6 +473,24 @@ declare float @fminf(float, float)
; CHECK: declare x86_fp80 @fminl(x86_fp80, x86_fp80) [[MEMNONE_NOFREE_NOUNWIND_WILLRETURN:#[0-9]+]]
declare x86_fp80 @fminl(x86_fp80, x86_fp80)

; CHECK: declare double @fmaximum_num(double, double) [[MEMNONE_NOFREE_NOUNWIND_WILLRETURN:#[0-9]+]]
declare double @fmaximum_num(double, double)

; CHECK: declare float @fmaximum_numf(float, float) [[MEMNONE_NOFREE_NOUNWIND_WILLRETURN:#[0-9]+]]
declare float @fmaximum_numf(float, float)

; CHECK: declare x86_fp80 @fmaximum_numl(x86_fp80, x86_fp80) [[MEMNONE_NOFREE_NOUNWIND_WILLRETURN:#[0-9]+]]
declare x86_fp80 @fmaximum_numl(x86_fp80, x86_fp80)

; CHECK: declare double @fminimum_num(double, double) [[MEMNONE_NOFREE_NOUNWIND_WILLRETURN:#[0-9]+]]
declare double @fminimum_num(double, double)

; CHECK: declare float @fminimum_numf(float, float) [[MEMNONE_NOFREE_NOUNWIND_WILLRETURN:#[0-9]+]]
declare float @fminimum_numf(float, float)

; CHECK: declare x86_fp80 @fminimum_numl(x86_fp80, x86_fp80) [[MEMNONE_NOFREE_NOUNWIND_WILLRETURN:#[0-9]+]]
declare x86_fp80 @fminimum_numl(x86_fp80, x86_fp80)

; CHECK: declare double @fmod(double, double) [[ERRNOMEMONLY_NOFREE_NOUNWIND_WILLRETURN:#[0-9]+]]
declare double @fmod(double, double)

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