[llvm-commits] CVS: llvm/test/Regression/Transforms/InstCombine/2006-02-07-SextZextCrash.ll

[Chris Lattner]

Changes in directory llvm/test/Regression/Transforms/InstCombine:

2006-02-07-SextZextCrash.ll added (r1.1)
---
Log message:

new testcase that caused instcombine to crash on 176.gcc last night.


---
Diffs of the changes:  (+22 -0)

 2006-02-07-SextZextCrash.ll |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+)


Index: llvm/test/Regression/Transforms/InstCombine/2006-02-07-SextZextCrash.ll
diff -c /dev/null llvm/test/Regression/Transforms/InstCombine/2006-02-07-SextZextCrash.ll:1.1
*** /dev/null	Tue Feb  7 13:07:36 2006
--- llvm/test/Regression/Transforms/InstCombine/2006-02-07-SextZextCrash.ll	Tue Feb  7 13:07:25 2006
***************
*** 0 ****
--- 1,22 ----
+ ; RUN: llvm-as < %s | opt -instcombine -disable-output	
+ 
+ 	%struct.rtx_const = type { uint, { %union.real_extract } }
+ 	%struct.rtx_def = type { int, [1 x %union.rtunion_def] }
+ 	%union.real_extract = type { double }
+ 	%union.rtunion_def = type { uint }
+ 
+ implementation   ; Functions:
+ 
+ fastcc void %decode_rtx_const(%struct.rtx_def* %x, %struct.rtx_const* %value) {
+ 	%tmp.54 = getelementptr %struct.rtx_const* %value, int 0, uint 0		; <uint*> [#uses=1]
+ 	%tmp.56 = getelementptr %struct.rtx_def* %x, int 0, uint 0		; <int*> [#uses=1]
+ 	%tmp.57 = load int* %tmp.56		; <int> [#uses=1]
+ 	%tmp.58 = shl int %tmp.57, ubyte 8		; <int> [#uses=1]
+ 	%tmp.59 = shr int %tmp.58, ubyte 24		; <int> [#uses=1]
+ 	%tmp.60 = cast int %tmp.59 to ushort		; <ushort> [#uses=1]
+ 	%tmp.61 = cast ushort %tmp.60 to uint		; <uint> [#uses=1]
+ 	%tmp.62 = shl uint %tmp.61, ubyte 16		; <uint> [#uses=1]
+ 	%tmp.65 = or uint 0, %tmp.62		; <uint> [#uses=1]
+ 	store uint %tmp.65, uint* %tmp.54
+ 	ret void
+ }