llvm/test/CodeGen/ARM/2009-09-22-LiveVariablesBug.ll
Evan Cheng 296925dc16 Fix PR5024. LiveVariables physical register defs should *commit* only after all
of the defs are processed.
Also fix a implicit_def propagation bug: a implicit_def of a physical register
should be applied to uses of the sub-registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82616 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-23 06:28:31 +00:00

24 lines
778 B
LLVM

; RUN: llc < %s -mtriple=armv7-none-linux-gnueabi -mattr=+neon
; PR5024
%bar = type { %foo, %foo }
%foo = type { <4 x float> }
declare arm_aapcs_vfpcc float @aaa(%foo* nocapture) nounwind readonly
declare arm_aapcs_vfpcc %bar* @bbb(%bar*, <4 x float>, <4 x float>) nounwind
define arm_aapcs_vfpcc void @ccc(i8* nocapture %pBuffer, i32 %numItems) nounwind {
entry:
br i1 undef, label %return, label %bb.nph
bb.nph: ; preds = %entry
%0 = call arm_aapcs_vfpcc %bar* @bbb(%bar* undef, <4 x float> undef, <4 x float> undef) nounwind ; <%bar*> [#uses=0]
%1 = call arm_aapcs_vfpcc float @aaa(%foo* undef) nounwind ; <float> [#uses=0]
unreachable
return: ; preds = %entry
ret void
}