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Make sure we don't generate stubs for any of these functions because they

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don't exist in libc. This is really not the right way to solve this problem;
but it's not clear to me at this time exactly what is the right way.
If we create stubs here, they will cause link errors because these functions
do not exist in libc.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189727 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reed Kotler 2013-09-01 04:12:59 +00:00
parent f53e9b4896
commit b83c66eb5e
2 changed files with 34 additions and 17 deletions
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23
lib/Target/Mips/Mips16HardFloat.cpp
View File

@ -322,10 +322,29 @@ static void assureFPCallStub(Function &F, Module *M,
} }
// //
// Functions that are inline intrinsics don't need helpers. // Functions that are llvm intrinsics and don't need helpers.
// //
static const char *IntrinsicInline[] = static const char *IntrinsicInline[] =
{"fabs", "llvm.powi.f64"}; {"fabs",
"llvm.ceil.f32", "llvm.ceil.f64",
"llvm.copysign.f32", "llvm.copysign.f64",
"llvm.cos.f32", "llvm.cos.f64",
"llvm.exp.f32", "llvm.exp.f64",
"llvm.exp2.f32", "llvm.exp2.f64",
"llvm.fabs.f32", "llvm.fabs.f64",
"llvm.floor.f32", "llvm.floor.f64",
"llvm.fma.f32", "llvm.fma.f64",
"llvm.log.f32", "llvm.log.f64",
"llvm.log10.f32", "llvm.log10.f64",
"llvm.nearbyint.f32", "llvm.nearbyint.f64",
"llvm.pow.f32", "llvm.pow.f64",
"llvm.powi.f32", "llvm.powi.f64",
"llvm.rint.f32", "llvm.rint.f64",
"llvm.round.f32", "llvm.round.f64",
"llvm.sin.f32", "llvm.sin.f64",
"llvm.sqrt.f32", "llvm.sqrt.f64",
"llvm.trunc.f32", "llvm.trunc.f64",
};
static bool isIntrinsicInline(Function *F) { static bool isIntrinsicInline(Function *F) {
return std::binary_search( return std::binary_search(

28
test/CodeGen/Mips/powif64_16.ll
View File

@ -1,23 +1,21 @@
; RUN: llc -mtriple=mipsel-linux-gnu -march=mipsel -mcpu=mips16 -mips16-hard-float -soft-float -relocation-model=static < %s | FileCheck %s ; RUN: llc -mtriple=mipsel-linux-gnu -march=mipsel -mcpu=mips16 -mips16-hard-float -soft-float -relocation-model=static < %s | FileCheck %s
@x = global double 4.500000e+00, align 8 declare float @llvm.powi.f32(float %Val, i32 %power)
@i = global i32 4, align 4 declare double @llvm.powi.f64(double %Val, i32 %power)
@y = common global double 0.000000e+00, align 8
; Function Attrs: nounwind optsize define float @foo_pow_f32(float %y, i32 %p) {
define i32 @main() #0 { %1 = tail call float @llvm.powi.f32(float %y, i32 %p)
entry: ; CHECK-NOT: .ent __call_stub_fp_llvm.powi.f32
%0 = load double* @x, align 8, !tbaa !0 ; CHECK-NOT: {{.*}} jal llvm.powi.f32
%1 = load i32* @i, align 4, !tbaa !3 ret float %1
%2 = tail call double @llvm.powi.f64(double %0, i32 %1) }
define double @foo_pow_f64(double %y, i32 %p) {
%1 = tail call double @llvm.powi.f64(double %y, i32 %p)
; CHECK-NOT: .ent __call_stub_fp_llvm.powi.f64 ; CHECK-NOT: .ent __call_stub_fp_llvm.powi.f64
; CHECK-NOT: {{.*}} jal llvm.powi.f64 ; CHECK-NOT: {{.*}} jal llvm.powi.f64
store double %2, double* @y, align 8, !tbaa !0 ret double %1
ret i32 0 }
}
; Function Attrs: nounwind readonly
declare double @llvm.powi.f64(double, i32) #1
attributes #0 = { nounwind optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="true" } attributes #0 = { nounwind optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="true" }
attributes #1 = { nounwind readonly } attributes #1 = { nounwind readonly }