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| author | Oliver Stannard <oliver.stannard@arm.com> | 2014-06-13 08:33:03 +0000 |
|---|---|---|
| committer | Oliver Stannard <oliver.stannard@arm.com> | 2014-06-13 08:33:03 +0000 |
| commit | a19c2d4a6d5e8849dd2d21f0a2653ae9f85d2d22 (patch) | |
| tree | cde18fcee9d1f47ce3161616adc25a4ddc2fa9e4 /test | |
| parent | efa4805b5836c8f496154b2607d2983d83211ee8 (diff) | |
| download | llvm-a19c2d4a6d5e8849dd2d21f0a2653ae9f85d2d22.tar.gz llvm-a19c2d4a6d5e8849dd2d21f0a2653ae9f85d2d22.tar.bz2 llvm-a19c2d4a6d5e8849dd2d21f0a2653ae9f85d2d22.tar.xz | |
ARM: Fix fastcc calling convention for Thumb1
When targetting Thumb1 on a processor which has a VFP unit (which
is not accessible from Thumb1), we were converting the fastcc calling
convention to AAPCS-VFP, which is not possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210889 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/Thumb/fastcc.ll | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb/fastcc.ll b/test/CodeGen/Thumb/fastcc.ll new file mode 100644 index 0000000000..98ff684d2e --- /dev/null +++ b/test/CodeGen/Thumb/fastcc.ll @@ -0,0 +1,36 @@ +; RUN: llc < %s -mcpu=arm926ej-s -mattr=+vfp2 + +; This is a regression test, to ensure that fastcc functions are correctly +; handled when compiling for a processor which has a floating-point unit which +; is not accessible from the selected instruction set. + +target datalayout = "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:64-v128:64:128-a:0:32-n32-S64" +target triple = "thumbv5e-none-linux-gnueabi" + +; Function Attrs: optsize +define fastcc void @_foo(float %walpha) #0 { +entry: + br label %for.body13 + +for.body13: ; preds = %for.body13, %entry + br i1 undef, label %for.end182.critedge, label %for.body13 + +for.end182.critedge: ; preds = %for.body13 + %conv183 = fpext float %walpha to double + %mul184 = fmul double %conv183, 8.200000e-01 + %conv185 = fptrunc double %mul184 to float + %conv188 = fpext float %conv185 to double + %mul189 = fmul double %conv188, 6.000000e-01 + %conv190 = fptrunc double %mul189 to float + br label %for.body193 + +for.body193: ; preds = %for.body193, %for.end182.critedge + %mul195 = fmul float %conv190, undef + br label %for.body193 +} + +attributes #0 = { optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } + +!llvm.ident = !{!0} + +!0 = metadata !{metadata !"clang version 3.5.0 "} |