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a19c2d4a6d
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
37 lines
1.5 KiB
LLVM
37 lines
1.5 KiB
LLVM
; RUN: llc < %s -mcpu=arm926ej-s -mattr=+vfp2
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; This is a regression test, to ensure that fastcc functions are correctly
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; handled when compiling for a processor which has a floating-point unit which
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; is not accessible from the selected instruction set.
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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"
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target triple = "thumbv5e-none-linux-gnueabi"
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; Function Attrs: optsize
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define fastcc void @_foo(float %walpha) #0 {
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entry:
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br label %for.body13
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for.body13: ; preds = %for.body13, %entry
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br i1 undef, label %for.end182.critedge, label %for.body13
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for.end182.critedge: ; preds = %for.body13
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%conv183 = fpext float %walpha to double
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%mul184 = fmul double %conv183, 8.200000e-01
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%conv185 = fptrunc double %mul184 to float
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%conv188 = fpext float %conv185 to double
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%mul189 = fmul double %conv188, 6.000000e-01
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%conv190 = fptrunc double %mul189 to float
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br label %for.body193
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for.body193: ; preds = %for.body193, %for.end182.critedge
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%mul195 = fmul float %conv190, undef
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br label %for.body193
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}
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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" }
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!llvm.ident = !{!0}
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!0 = metadata !{metadata !"clang version 3.5.0 "}
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