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/CodeGen/ARM/mulhi.ll b/test/CodeGen/ARM/mulhi.ll
new file mode 100644
index 0000000..9367258
--- /dev/null
+++ b/test/CodeGen/ARM/mulhi.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm -mattr=+v6
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm -mattr=+v6 | \
+; RUN: grep smmul | wc -l | grep 1
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep umull | wc -l | grep 1
+
+int %smulhi(int %x, int %y) {
+ %tmp = cast int %x to ulong ; <ulong> [#uses=1]
+ %tmp1 = cast int %y to ulong ; <ulong> [#uses=1]
+ %tmp2 = mul ulong %tmp1, %tmp ; <ulong> [#uses=1]
+ %tmp3 = shr ulong %tmp2, ubyte 32 ; <ulong> [#uses=1]
+ %tmp3 = cast ulong %tmp3 to int ; <int> [#uses=1]
+ ret int %tmp3
+}
+
+int %umulhi(uint %x, uint %y) {
+ %tmp = cast uint %x to ulong ; <ulong> [#uses=1]
+ %tmp1 = cast uint %y to ulong ; <ulong> [#uses=1]
+ %tmp2 = mul ulong %tmp1, %tmp ; <ulong> [#uses=1]
+ %tmp3 = shr ulong %tmp2, ubyte 32 ; <ulong> [#uses=1]
+ %tmp3 = cast ulong %tmp3 to int ; <int> [#uses=1]
+ ret int %tmp3
+}
+