[llvm-commits] CVS: llvm/test/Regression/CodeGen/X86/store_op_load_fold2.ll store_op_load_fold.ll

[Evan Cheng]

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

store_op_load_fold2.ll added (r1.1)
store_op_load_fold.ll updated: 1.1 -> 1.2
---
Log message:

Add a test case for (store (op (load ..) ..) ..) folding.


---
Diffs of the changes:  (+45 -2)

 store_op_load_fold.ll  |    2 --
 store_op_load_fold2.ll |   45 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 2 deletions(-)


Index: llvm/test/Regression/CodeGen/X86/store_op_load_fold2.ll
diff -c /dev/null llvm/test/Regression/CodeGen/X86/store_op_load_fold2.ll:1.1
*** /dev/null	Thu Mar  9 13:04:40 2006
--- llvm/test/Regression/CodeGen/X86/store_op_load_fold2.ll	Thu Mar  9 13:04:30 2006
***************
*** 0 ****
--- 1,45 ----
+ ; RUN: llvm-as < %s | llc -march=x86 -x86-asm-syntax=intel | grep 'and DWORD PTR' | wc -l | grep 1
+ ;
+ ; FIXME: The number of (store (and (load ..) ..) ..) really should be 2. But the current hack
+ ; only allow one of the folding to happen.
+ 
+ 	%struct.Macroblock = type { int, int, int, int, int, [8 x int], %struct.Macroblock*, %struct.Macroblock*, int, [2 x [4 x [4 x [2 x int]]]], [16 x sbyte], [16 x sbyte], int, long, [4 x int], [4 x int], long, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, short, double, int, int, int, int, int, int, int, int, int }
+ 
+ implementation   ; Functions:
+ 
+ internal fastcc int %dct_chroma(int %uv, int %cr_cbp) {
+ entry:
+ 	br bool false, label %bb2611, label %cond_true129
+ 
+ cond_true129:		; preds = %entry
+ 	ret int 0
+ 
+ bb2611:		; preds = %entry
+ 	br bool false, label %cond_true2732.preheader, label %cond_next2752
+ 
+ cond_true2732.preheader:		; preds = %bb2611
+ 	%tmp2666 = getelementptr %struct.Macroblock* null, int 0, uint 13		; <long*> [#uses=2]
+ 	%tmp2674 = cast int 0 to ubyte		; <ubyte> [#uses=1]
+ 	br bool false, label %cond_true2732.preheader.split.us, label %cond_true2732.preheader.split
+ 
+ cond_true2732.preheader.split.us:		; preds = %cond_true2732.preheader
+ 	br bool false, label %cond_true2732.outer.us.us, label %cond_true2732.outer.us
+ 
+ cond_true2732.outer.us.us:		; preds = %cond_true2732.preheader.split.us
+ 	%tmp2667.us.us = load long* %tmp2666		; <long> [#uses=1]
+ 	%tmp2670.us.us = load long* null		; <long> [#uses=1]
+ 	%tmp2675.us.us = shl long %tmp2670.us.us, ubyte %tmp2674		; <long> [#uses=1]
+ 	%tmp2675not.us.us = xor long %tmp2675.us.us, -1		; <long> [#uses=1]
+ 	%tmp2676.us.us = and long %tmp2667.us.us, %tmp2675not.us.us		; <long> [#uses=1]
+ 	store long %tmp2676.us.us, long* %tmp2666
+ 	ret int 0
+ 
+ cond_true2732.outer.us:		; preds = %cond_true2732.preheader.split.us
+ 	ret int 0
+ 
+ cond_true2732.preheader.split:		; preds = %cond_true2732.preheader
+ 	ret int 0
+ 
+ cond_next2752:		; preds = %bb2611
+ 	ret int 0
+ }


Index: llvm/test/Regression/CodeGen/X86/store_op_load_fold.ll
diff -u llvm/test/Regression/CodeGen/X86/store_op_load_fold.ll:1.1 llvm/test/Regression/CodeGen/X86/store_op_load_fold.ll:1.2
--- llvm/test/Regression/CodeGen/X86/store_op_load_fold.ll:1.1	Fri Feb  3 00:46:41 2006
+++ llvm/test/Regression/CodeGen/X86/store_op_load_fold.ll	Thu Mar  9 13:04:30 2006
@@ -2,8 +2,6 @@
 ;
 ; Test the add and load are folded into the store instruction.
 
-target triple = "i686-pc-linux-gnu"
-
 %X = weak global short 0
 
 void %foo() {