fix pr12559: mark unavailable win32 math libcalls

also fix SimplifyLibCalls to use TLI rather than compile-time conditionals to enable optimizations on floor, ceil, round, rint, and nearbyint

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154960 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 275 insertions, 0 deletions

diff --git a/test/CodeGen/X86/win_math_simplify_libcall.ll b/test/CodeGen/X86/win_math_simplify_libcall.ll
new file mode 100644
index 0000000..367e5b8
--- /dev/null
+++ b/test/CodeGen/X86/win_math_simplify_libcall.ll
@@ -0,0 +1,275 @@
+; RUN: opt -O2 -S -mtriple=i386-pc-win32 < %s | FileCheck %s -check-prefix=WIN32
+; RUN: opt -O2 -S -mtriple=x86_64-pc-win32 < %s | FileCheck %s -check-prefix=WIN64
+; RUN: opt -O2 -S -mtriple=i386-pc-mingw32 < %s | FileCheck %s -check-prefix=MINGW32
+; RUN: opt -O2 -S -mtriple=x86_64-pc-mingw32 < %s | FileCheck %s -check-prefix=MINGW64
+
+; x86 win32 msvcrt does not provide entry points for single-precision libm.
+; x86-64 win32 msvcrt does (except for fabsf)
+; msvcrt does not provide C99 math, but mingw32 does.
+
+declare double @acos(double %x)
+define float @float_acos(float %x) nounwind readnone {
+; WIN32: @float_acos
+; WIN32-NOT: float @acosf
+; WIN32: double @acos
+    %1 = fpext float %x to double
+    %2 = call double @acos(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @asin(double %x)
+define float @float_asin(float %x) nounwind readnone {
+; WIN32: @float_asin
+; WIN32-NOT: float @asinf
+; WIN32: double @asin
+    %1 = fpext float %x to double
+    %2 = call double @asin(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @atan(double %x)
+define float @float_atan(float %x) nounwind readnone {
+; WIN32: @float_atan
+; WIN32-NOT: float @atanf
+; WIN32: double @atan
+    %1 = fpext float %x to double
+    %2 = call double @atan(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @atan2(double %x, double %y)
+define float @float_atan2(float %x, float %y) nounwind readnone {
+; WIN32: @float_atan2
+; WIN32-NOT: float @atan2f
+; WIN32: double @atan2
+    %1 = fpext float %x to double
+    %2 = fpext float %y to double
+    %3 = call double @atan2(double %1, double %2)
+    %4 = fptrunc double %3 to float
+    ret float %4
+}
+
+declare double @ceil(double %x)
+define float @float_ceil(float %x) nounwind readnone {
+; WIN32: @float_ceil
+; WIN32-NOT: float @ceilf
+; WIN32: double @ceil
+; WIN64: @float_ceil
+; WIN64: float @ceilf
+; WIN64-NOT: double @ceil
+; MINGW32: @float_ceil
+; MINGW32: float @ceilf
+; MINGW32-NOT: double @ceil
+; MINGW64: @float_ceil
+; MINGW64: float @ceilf
+; MINGW64-NOT: double @ceil
+    %1 = fpext float %x to double
+    %2 = call double @ceil(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @_copysign(double %x)
+define float @float_copysign(float %x) nounwind readnone {
+; WIN32: @float_copysign
+; WIN32-NOT: float @copysignf
+; WIN32-NOT: float @_copysignf
+; WIN32: double @_copysign
+    %1 = fpext float %x to double
+    %2 = call double @_copysign(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @cos(double %x)
+define float @float_cos(float %x) nounwind readnone {
+; WIN32: @float_cos
+; WIN32-NOT: float @cosf
+; WIN32: double @cos
+    %1 = fpext float %x to double
+    %2 = call double @cos(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @cosh(double %x)
+define float @float_cosh(float %x) nounwind readnone {
+; WIN32: @float_cosh
+; WIN32-NOT: float @coshf
+; WIN32: double @cosh
+    %1 = fpext float %x to double
+    %2 = call double @cosh(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @exp(double %x, double %y)
+define float @float_exp(float %x, float %y) nounwind readnone {
+; WIN32: @float_exp
+; WIN32-NOT: float @expf
+; WIN32: double @exp
+    %1 = fpext float %x to double
+    %2 = fpext float %y to double
+    %3 = call double @exp(double %1, double %2)
+    %4 = fptrunc double %3 to float
+    ret float %4
+}
+
+declare double @fabs(double %x, double %y)
+define float @float_fabs(float %x, float %y) nounwind readnone {
+; WIN32: @float_fabs
+; WIN32-NOT: float @fabsf
+; WIN32: double @fabs
+; WIN64: @float_fabs
+; WIN64-NOT: float @fabsf
+; WIN64: double @fabs
+    %1 = fpext float %x to double
+    %2 = fpext float %y to double
+    %3 = call double @fabs(double %1, double %2)
+    %4 = fptrunc double %3 to float
+    ret float %4
+}
+
+declare double @floor(double %x)
+define float @float_floor(float %x) nounwind readnone {
+; WIN32: @float_floor
+; WIN32-NOT: float @floorf
+; WIN32: double @floor
+; WIN64: @float_floor
+; WIN64: float @floorf
+; WIN64-NOT: double @floor
+; MINGW32: @float_floor
+; MINGW32: float @floorf
+; MINGW32-NOT: double @floor
+; MINGW64: @float_floor
+; MINGW64: float @floorf
+; MINGW64-NOT: double @floor
+    %1 = fpext float %x to double
+    %2 = call double @floor(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @fmod(double %x, double %y)
+define float @float_fmod(float %x, float %y) nounwind readnone {
+; WIN32: @float_fmod
+; WIN32-NOT: float @fmodf
+; WIN32: double @fmod
+    %1 = fpext float %x to double
+    %2 = fpext float %y to double
+    %3 = call double @fmod(double %1, double %2)
+    %4 = fptrunc double %3 to float
+    ret float %4
+}
+
+declare double @log(double %x)
+define float @float_log(float %x) nounwind readnone {
+; WIN32: @float_log
+; WIN32-NOT: float @logf
+; WIN32: double @log
+    %1 = fpext float %x to double
+    %2 = call double @log(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @pow(double %x, double %y)
+define float @float_pow(float %x, float %y) nounwind readnone {
+; WIN32: @float_pow
+; WIN32-NOT: float @powf
+; WIN32: double @pow
+    %1 = fpext float %x to double
+    %2 = fpext float %y to double
+    %3 = call double @pow(double %1, double %2)
+    %4 = fptrunc double %3 to float
+    ret float %4
+}
+
+declare double @sin(double %x)
+define float @float_sin(float %x) nounwind readnone {
+; WIN32: @float_sin
+; WIN32-NOT: float @sinf
+; WIN32: double @sin
+    %1 = fpext float %x to double
+    %2 = call double @sin(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @sinh(double %x)
+define float @float_sinh(float %x) nounwind readnone {
+; WIN32: @float_sinh
+; WIN32-NOT: float @sinhf
+; WIN32: double @sinh
+    %1 = fpext float %x to double
+    %2 = call double @sinh(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @sqrt(double %x)
+define float @float_sqrt(float %x) nounwind readnone {
+; WIN32: @float_sqrt
+; WIN32-NOT: float @sqrtf
+; WIN32: double @sqrt
+; WIN64: @float_sqrt
+; WIN64: float @sqrtf
+; WIN64-NOT: double @sqrt
+; MINGW32: @float_sqrt
+; MINGW32: float @sqrtf
+; MINGW32-NOT: double @sqrt
+; MINGW64: @float_sqrt
+; MINGW64: float @sqrtf
+; MINGW64-NOT: double @sqrt
+    %1 = fpext float %x to double
+    %2 = call double @sqrt(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @tan(double %x)
+define float @float_tan(float %x) nounwind readnone {
+; WIN32: @float_tan
+; WIN32-NOT: float @tanf
+; WIN32: double @tan
+    %1 = fpext float %x to double
+    %2 = call double @tan(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+declare double @tanh(double %x)
+define float @float_tanh(float %x) nounwind readnone {
+; WIN32: @float_tanh
+; WIN32-NOT: float @tanhf
+; WIN32: double @tanh
+    %1 = fpext float %x to double
+    %2 = call double @tanh(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+
+; win32 does not have round; mingw32 does
+declare double @round(double %x)
+define float @float_round(float %x) nounwind readnone {
+; WIN32: @float_round
+; WIN32-NOT: float @roundf
+; WIN32: double @round
+; WIN64: @float_round
+; WIN64-NOT: float @roundf
+; WIN64: double @round
+; MINGW32: @float_round
+; MINGW32: float @roundf
+; MINGW32-NOT: double @round
+; MINGW64: @float_round
+; MINGW64: float @roundf
+; MINGW64-NOT: double @round
+    %1 = fpext float %x to double
+    %2 = call double @round(double %1)
+    %3 = fptrunc double %2 to float
+    ret float %3
+}
+