diff options
| author | Akira Hatanaka <ahatanaka@mips.com> | 2013-02-05 21:18:11 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2013-02-05 21:18:11 +0000 |
| commit | baabdecbb9bf5b32fa81b1e2830ab13076d549f1 (patch) | |
| tree | b820f6434658217ffe4ea3501157c079c62b4164 | |
| parent | dd3aa9eab2b40ea1573a5482472bbb89e6f1038d (diff) | |
[mips] Do not use function CC_MipsN_VarArg unless the function being analyzed
is a vararg function.
The original code was examining flag OutputArg::IsFixed to determine whether
CC_MipsN_VarArg or CC_MipsN should be called. This is not correct, since this
flag is often set to false when the function being analyzed is a non-variadic
function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174442 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/Mips/MipsISelLowering.cpp | 2 | ||||
| -rw-r--r-- | test/CodeGen/Mips/mips64-expand-libcall.ll | 14 |
2 files changed, 15 insertions, 1 deletions
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp index ff0064e68c..2ff369cfab 100644 --- a/lib/Target/Mips/MipsISelLowering.cpp +++ b/lib/Target/Mips/MipsISelLowering.cpp @@ -3793,7 +3793,7 @@ MipsTargetLowering::MipsCC::MipsCC(CallingConv::ID CallConv, bool IsVarArg, IntArgRegs = Mips64IntRegs; ShadowRegs = Mips64DPRegs; FixedFn = CC_MipsN; - VarFn = CC_MipsN_VarArg; + VarFn = IsVarArg ? CC_MipsN_VarArg : CC_MipsN; } if (CallConv == CallingConv::Fast) { diff --git a/test/CodeGen/Mips/mips64-expand-libcall.ll b/test/CodeGen/Mips/mips64-expand-libcall.ll new file mode 100644 index 0000000000..4a6721105c --- /dev/null +++ b/test/CodeGen/Mips/mips64-expand-libcall.ll @@ -0,0 +1,14 @@ +; RUN: llc -march=mips64el -mcpu=mips64r2 -O3 < %s | FileCheck %s + +; Check that %add is not passed in an integer register. +; +; CHECK-NOT: dmfc1 $4 + +define double @callfloor(double %d) nounwind readnone { +entry: + %add = fadd double %d, 1.000000e+00 + %call = tail call double @floor(double %add) nounwind readnone + ret double %call +} + +declare double @floor(double) nounwind readnone |