diff options
| author | Michael Kuperstein <michael.m.kuperstein@intel.com> | 2015-10-25 08:14:05 +0000 |
|---|---|---|
| committer | Michael Kuperstein <michael.m.kuperstein@intel.com> | 2015-10-25 08:14:05 +0000 |
| commit | eaa16005af8f47597f3e8d5ed75f5e8fcd0c8bc5 (patch) | |
| tree | b79835256aa09fff0cc23cf7d27db31974235784 /llvm/test | |
| parent | fe897623f3b050693df0cd2a234ca6dcfbd4878b (diff) | |
| download | bcm5719-llvm-eaa16005af8f47597f3e8d5ed75f5e8fcd0c8bc5.tar.gz bcm5719-llvm-eaa16005af8f47597f3e8d5ed75f5e8fcd0c8bc5.zip | |
[X86] Use correct calling convention for MCU psABI libcalls
When using the MCU psABI, compiler-generated library calls should pass
some parameters in-register. However, since inreg marking for x86 is currently
done by the front end, it will not be applied to backend-generated calls.
This is a workaround for PR3997, which describes a similar issue for -mregparm.
Differential Revision: http://reviews.llvm.org/D13977
llvm-svn: 251223
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/X86/mcu-abi.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/mcu-abi.ll b/llvm/test/CodeGen/X86/mcu-abi.ll new file mode 100644 index 00000000000..4da9f3d91ba --- /dev/null +++ b/llvm/test/CodeGen/X86/mcu-abi.ll @@ -0,0 +1,11 @@ +; RUN: llc < %s -mtriple=i686-pc-linux-elfiamcu | FileCheck %s + +; CHECK-LABEL: test_lib_args: +; CHECK: movl %edx, %eax +; CHECK: calll __fixsfsi +define i32 @test_lib_args(float inreg %a, float inreg %b) #0 { + %ret = fptosi float %b to i32 + ret i32 %ret +} + +attributes #0 = { nounwind "use-soft-float"="true"} |
