Changes in directory llvm/test/Regression/Transforms/ScalarRepl:
AggregatePromote.ll added (r1.1)
---
Log message:
new testcase: sra should be able to eliminate all of these alloca's, despite
the presense of pointer casts
---
Diffs of the changes: (+54 -0)
AggregatePromote.ll | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 54 insertions(+)
Index: llvm/test/Regression/Transforms/ScalarRepl/AggregatePromote.ll
diff -c /dev/null
llvm/test/Regression/Transforms/ScalarRepl/AggregatePromote.ll:1.1
*** /dev/null Mon Dec 12 01:19:09 2005
--- llvm/test/Regression/Transforms/ScalarRepl/AggregatePromote.ll Mon Dec
12 01:18:59 2005
***************
*** 0 ****
--- 1,54 ----
+ ; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | not grep alloca &&
+ ; RUN: llvm-as < %s | opt -scalarrepl -disable-output
+
+ target endian = big
+ target pointersize = 32
+ target triple = "powerpc-apple-darwin8.0.0"
+
+ long %test1(long %X) {
+ %A = alloca long
+ store long %X, long* %A
+ %B = cast long* %A to int*
+ %C = cast int* %B to sbyte*
+ store sbyte 0, sbyte* %C
+ %Y = load long *%A
+ ret long %Y
+ }
+
+
+ sbyte %test2(long %X) {
+ %X_addr = alloca long ; <long*> [#uses=2]
+ store long %X, long* %X_addr
+ %tmp.0 = cast long* %X_addr to int* ; <int*> [#uses=1]
+ %tmp.1 = getelementptr int* %tmp.0, int 1 ; <int*>
[#uses=1]
+ %tmp.2 = cast int* %tmp.1 to sbyte*
+ %tmp.3 = getelementptr sbyte* %tmp.2, int 3
+ %tmp.2 = load sbyte* %tmp.3 ; <int> [#uses=1]
+ ret sbyte %tmp.2
+ }
+
+ short %crafty(long %X) {
+ %a = alloca { long }
+ %tmp.0 = getelementptr { long }* %a, int 0, uint 0 ;
<long*> [#uses=1]
+ store long %X, long* %tmp.0
+ %tmp.3 = cast { long }* %a to [4 x short]* ; <[4 x
short]*> [#uses=2]
+ %tmp.4 = getelementptr [4 x short]* %tmp.3, int 0, int 3
; <short*> [#uses=1]
+ %tmp.5 = load short* %tmp.4 ; <short> [#uses=1]
+ %tmp.8 = getelementptr [4 x short]* %tmp.3, int 0, int 2
; <short*> [#uses=1]
+ %tmp.9 = load short* %tmp.8 ; <short> [#uses=1]
+ %tmp.10 = or short %tmp.9, %tmp.5 ; <short> [#uses=1]
+ ret short %tmp.10
+ }
+
+ short %crafty2(long %X) {
+ %a = alloca long
+ store long %X, long* %a
+ %tmp.3 = cast long* %a to [4 x short]* ; <[4 x short]*>
[#uses=2]
+ %tmp.4 = getelementptr [4 x short]* %tmp.3, int 0, int 3
; <short*> [#uses=1]
+ %tmp.5 = load short* %tmp.4 ; <short> [#uses=1]
+ %tmp.8 = getelementptr [4 x short]* %tmp.3, int 0, int 2
; <short*> [#uses=1]
+ %tmp.9 = load short* %tmp.8 ; <short> [#uses=1]
+ %tmp.10 = or short %tmp.9, %tmp.5 ; <short> [#uses=1]
+ ret short %tmp.10
+ }
+
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