[llvm-commits] CVS: llvm/test/Regression/CodeGen/X86/2005-05-08-FPStackifierPHI.ll

[Chris Lattner]

Changes in directory llvm/test/Regression/CodeGen/X86:

2005-05-08-FPStackifierPHI.ll added (r1.1)
---
Log message:

New testcase that crashes the pattern isel



---
Diffs of the changes:  (+49 -0)

 2005-05-08-FPStackifierPHI.ll |   49 ++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 49 insertions(+)


Index: llvm/test/Regression/CodeGen/X86/2005-05-08-FPStackifierPHI.ll
diff -c /dev/null llvm/test/Regression/CodeGen/X86/2005-05-08-FPStackifierPHI.ll:1.1
*** /dev/null	Sun May  8 22:36:21 2005
--- llvm/test/Regression/CodeGen/X86/2005-05-08-FPStackifierPHI.ll	Sun May  8 22:36:11 2005
***************
*** 0 ****
--- 1,49 ----
+ ; RUN: llvm-as < %s | llc -march=x86
+ ; Make sure LLC doesn't crash in the stackifier due to FP PHI nodes.
+ 
+ void %radfg_() {
+ entry:
+ 	br bool 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 bool 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 bool 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 bool 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 bool 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 bool 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 bool false, label %loopexit.18.loopexit, label %no_exit.18
+ 
+ loopexit.18.loopexit:		; preds = %loopexit.20
+ 	ret void
+ }