It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/ScalarRepl/AggregatePromote.ll b/test/Transforms/ScalarRepl/AggregatePromote.ll
new file mode 100644
index 0000000..67ccad0
--- /dev/null
+++ b/test/Transforms/ScalarRepl/AggregatePromote.ll
@@ -0,0 +1,54 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -scalarrepl | llvm-dis | \
+; RUN: not grep alloca
+
+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
+}
+