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

1 files changed, 33 insertions, 0 deletions

diff --git a/test/Integer/packed_struct_bt.ll b/test/Integer/packed_struct_bt.ll
new file mode 100644
index 0000000..3713917
--- /dev/null
+++ b/test/Integer/packed_struct_bt.ll
@@ -0,0 +1,33 @@
+; RUN: llvm-as < %s | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
+; RUN: not grep cast %t2.ll
+; RUN: grep {\<\{} %t2.ll
+; END.
+
+%struct.anon = type <{ i8, i35, i35, i35 }>
+@foos = external global %struct.anon 
+@bara = external global [2 x <{ i35, i8 }>]
+
+;initializers should work for packed and non-packed the same way
+@E1 = global <{i8, i35, i35}> <{i8 1, i35 2, i35 3}>
+@E2 = global {i8, i35, i35} {i8 4, i35 5, i35 6}
+
+
+define i35 @main() 
+{
+        %tmp = load i35*  getelementptr (%struct.anon* @foos, i32 0, i32 1)            ; <i35> [#uses=1]
+        %tmp3 = load i35* getelementptr (%struct.anon* @foos, i32 0, i32 2)            ; <i35> [#uses=1]
+        %tmp6 = load i35* getelementptr (%struct.anon* @foos, i32 0, i32 3)            ; <i35> [#uses=1]
+        %tmp4 = add i35 %tmp3, %tmp             ; <i35> [#uses=1]
+        %tmp7 = add i35 %tmp4, %tmp6            ; <i35> [#uses=1]
+        ret i35 %tmp7
+}
+
+define i35 @bar() {
+entry:
+        %tmp = load i35* getelementptr([2 x <{ i35, i8 }>]* @bara, i32 0, i32 0, i32 0 )            ; <i35> [#uses=1]
+        %tmp4 = load i35* getelementptr ([2 x <{ i35, i8 }>]* @bara, i32 0, i32 1, i32 0)           ; <i35> [#uses=1]
+        %tmp5 = add i35 %tmp4, %tmp             ; <i35> [#uses=1]
+        ret i35 %tmp5
+}