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llvm-mirror/test/CodeGen/X86/2005-05-08-FPStackifierPHI.ll
Tanya Lattner b6a27ed83f Byebye llvm-upgrade!
llvm-svn: 48762
2008-03-25 04:26:08 +00:00

39 lines
1.9 KiB
LLVM

; RUN: llvm-as < %s | llc -march=x86 -mcpu=generic
; Make sure LLC doesn't crash in the stackifier due to FP PHI nodes.
define void @radfg_() {
entry:
br i1 false, label %no_exit.16.preheader, label %loopentry.0
loopentry.0: ; preds = %entry
ret void
no_exit.16.preheader: ; preds = %entry
br label %no_exit.16
no_exit.16: ; preds = %no_exit.16, %no_exit.16.preheader
br i1 false, label %loopexit.16.loopexit, label %no_exit.16
loopexit.16.loopexit: ; preds = %no_exit.16
br label %no_exit.18
no_exit.18: ; preds = %loopexit.20, %loopexit.16.loopexit
%tmp.882 = add float 0.000000e+00, 0.000000e+00 ; <float> [#uses=2]
br i1 false, label %loopexit.19, label %no_exit.19.preheader
no_exit.19.preheader: ; preds = %no_exit.18
ret void
loopexit.19: ; preds = %no_exit.18
br i1 false, label %loopexit.20, label %no_exit.20
no_exit.20: ; preds = %loopexit.21, %loopexit.19
%ai2.1122.tmp.3 = phi float [ %tmp.958, %loopexit.21 ], [ %tmp.882, %loopexit.19 ] ; <float> [#uses=1]
%tmp.950 = mul float %tmp.882, %ai2.1122.tmp.3 ; <float> [#uses=1]
%tmp.951 = sub float 0.000000e+00, %tmp.950 ; <float> [#uses=1]
%tmp.958 = add float 0.000000e+00, 0.000000e+00 ; <float> [#uses=1]
br i1 false, label %loopexit.21, label %no_exit.21.preheader
no_exit.21.preheader: ; preds = %no_exit.20
ret void
loopexit.21: ; preds = %no_exit.20
br i1 false, label %loopexit.20, label %no_exit.20
loopexit.20: ; preds = %loopexit.21, %loopexit.19
%ar2.1124.tmp.2 = phi float [ 0.000000e+00, %loopexit.19 ], [ %tmp.951, %loopexit.21 ] ; <float> [#uses=0]
br i1 false, label %loopexit.18.loopexit, label %no_exit.18
loopexit.18.loopexit: ; preds = %loopexit.20
ret void
}