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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[] =
{"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) {
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
@x = global double 4.500000e+00, align 8
@i = global i32 4, align 4
@y = common global double 0.000000e+00, align 8
declare float @llvm.powi.f32(float %Val, i32 %power)
declare double @llvm.powi.f64(double %Val, i32 %power)
; Function Attrs: nounwind optsize
define i32 @main() #0 {
entry:
%0 = load double* @x, align 8, !tbaa !0
%1 = load i32* @i, align 4, !tbaa !3
%2 = tail call double @llvm.powi.f64(double %0, i32 %1)
define float @foo_pow_f32(float %y, i32 %p) {
%1 = tail call float @llvm.powi.f32(float %y, i32 %p)
; CHECK-NOT: .ent __call_stub_fp_llvm.powi.f32
; CHECK-NOT: {{.*}} jal llvm.powi.f32
ret float %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: {{.*}} jal llvm.powi.f64
store double %2, double* @y, align 8, !tbaa !0
ret i32 0
}
; Function Attrs: nounwind readonly
declare double @llvm.powi.f64(double, i32) #1
ret double %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 #1 = { nounwind readonly }