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/Feature/testalloca.ll b/test/Feature/testalloca.ll
new file mode 100644
index 0000000..d05b70d
--- /dev/null
+++ b/test/Feature/testalloca.ll
@@ -0,0 +1,28 @@
+; RUN: llvm-upgrade < %s | llvm-as | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
+
+%inners = type {float, {ubyte } }
+%struct = type { int , {float, {ubyte } } , ulong }
+
+implementation
+
+int %testfunction(int %i0, int %j0)
+begin
+ alloca ubyte, uint 5
+ %ptr = alloca int ; yields {int*}:ptr
+ store int 3, int* %ptr ; yields {void}
+ %val = load int* %ptr ; yields {int}:val = int %3
+
+ %sptr = alloca %struct ; yields {%struct*}:sptr
+ %nsptr = getelementptr %struct * %sptr, long 0, uint 1 ; yields {inners*}:nsptr
+ %ubsptr = getelementptr %inners * %nsptr, long 0, uint 1 ; yields {{ubyte}*}:ubsptr
+ %idx = getelementptr {ubyte} * %ubsptr, long 0, uint 0
+ store ubyte 4, ubyte* %idx
+
+ %fptr = getelementptr %struct * %sptr, long 0, uint 1, uint 0 ; yields {float*}:fptr
+ store float 4.0, float * %fptr
+
+ ret int 3
+end
+