diff options
| -rw-r--r-- | llvm/lib/Target/Mips/Mips16HardFloat.cpp | 14 | ||||
| -rw-r--r-- | llvm/test/CodeGen/Mips/f16abs.ll | 25 |
2 files changed, 38 insertions, 1 deletions
diff --git a/llvm/lib/Target/Mips/Mips16HardFloat.cpp b/llvm/lib/Target/Mips/Mips16HardFloat.cpp index 7e456aa6d1e..7374636b833 100644 --- a/llvm/lib/Target/Mips/Mips16HardFloat.cpp +++ b/llvm/lib/Target/Mips/Mips16HardFloat.cpp @@ -16,6 +16,7 @@ #include "llvm/IR/Module.h" #include "llvm/Support/Debug.h" #include "llvm/Support/raw_ostream.h" +#include <algorithm> #include <string> static void inlineAsmOut @@ -321,6 +322,17 @@ static void assureFPCallStub(Function &F, Module *M, } // +// Functions that are inline intrinsics don't need helpers. +// +std::string IntrinsicInline[] = + {"fabs"}; + +bool isIntrinsicInline(Function *F) { + return std::binary_search( + IntrinsicInline, array_endof(IntrinsicInline), + F->getName()); +} +// // Returns of float, double and complex need to be handled with a helper // function. // @@ -372,7 +384,7 @@ static bool fixupFPReturnAndCall // helper functions if (Subtarget.getRelocationModel() != Reloc::PIC_ ) { Function *F_ = CI->getCalledFunction(); - if (F_ && needsFPHelperFromSig(*F_)) { + if (F_ && !isIntrinsicInline(F_) && needsFPHelperFromSig(*F_)) { assureFPCallStub(*F_, M, Subtarget); Modified=true; } diff --git a/llvm/test/CodeGen/Mips/f16abs.ll b/llvm/test/CodeGen/Mips/f16abs.ll new file mode 100644 index 00000000000..fe3795770b2 --- /dev/null +++ b/llvm/test/CodeGen/Mips/f16abs.ll @@ -0,0 +1,25 @@ +; RUN: llc -mtriple=mipsel-linux-gnu -march=mipsel -mcpu=mips16 -soft-float -mips16-hard-float -relocation-model=static < %s | FileCheck %s -check-prefix=static + +@y = global double -1.450000e+00, align 8 +@x = common global double 0.000000e+00, align 8 + +; Function Attrs: nounwind optsize +define i32 @main() #0 { +entry: + %0 = load double* @y, align 8 + %call = tail call double @fabs(double %0) #2 + store double %call, double* @x, align 8 +; static-NOT: .ent __call_stub_fp_fabs +; static-NOT: jal fabs + ret i32 0 +} + +; Function Attrs: nounwind optsize readnone +declare double @fabs(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 optsize readnone "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 #2 = { nounwind optsize readnone } + + + |
