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| author | Michael Kuperstein <michael.m.kuperstein@intel.com> | 2015-11-04 11:17:53 +0000 |
|---|---|---|
| committer | Michael Kuperstein <michael.m.kuperstein@intel.com> | 2015-11-04 11:17:53 +0000 |
| commit | b34de72269ee8bd92917465328c17aa7ece9f581 (patch) | |
| tree | 8ee149e1402766b8c74b7a6ca84849d24069cb97 /llvm/test/CodeGen | |
| parent | 3d7d92283274d835463d35829c3e6523f153612a (diff) | |
| download | bcm5719-llvm-b34de72269ee8bd92917465328c17aa7ece9f581.tar.gz bcm5719-llvm-b34de72269ee8bd92917465328c17aa7ece9f581.zip | |
[X86] DAGCombine should not introduce FILD in soft-float mode
The x86 "sitofp i64 to double" dag combine, in 32-bit mode, lowers sitofp
directly to X86ISD::FILD (or FILD_FLAG). This should not be done in soft-float mode.
llvm-svn: 252042
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/soft-sitofp.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/soft-sitofp.ll b/llvm/test/CodeGen/X86/soft-sitofp.ll new file mode 100644 index 00000000000..da26c7f7641 --- /dev/null +++ b/llvm/test/CodeGen/X86/soft-sitofp.ll @@ -0,0 +1,15 @@ +; RUN: llc < %s | FileCheck %s + +target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128" +target triple = "i386-pc-linux" + +; Function Attrs: nounwind +; CHECK-LABEL: ll_to_d: +; CHECK: calll __floatdidf +define double @ll_to_d(i64 %n) #0 { +entry: + %conv = sitofp i64 %n to double + ret double %conv +} + +attributes #0 = { nounwind "use-soft-float"="true" } |
