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/X86/2006-05-08-InstrSched.ll b/test/CodeGen/X86/2006-05-08-InstrSched.ll
new file mode 100644
index 0000000..fd35f9f
--- /dev/null
+++ b/test/CodeGen/X86/2006-05-08-InstrSched.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-upgrade < %s | llvm-as | \
+; RUN:   llc -march=x86 -relocation-model=static | not grep {subl.*%esp}
+
+%A = external global ushort*
+%B = external global uint
+%C = external global uint
+
+void %test() {
+	%tmp = load ushort** %A
+	%tmp1 = getelementptr ushort* %tmp, int 1
+	%tmp = load ushort* %tmp1
+	%tmp3 = cast ushort %tmp to uint
+	%tmp = load uint* %B
+	%tmp4 = and uint %tmp, 16
+	%tmp5 = load uint* %C
+	%tmp6 = cast uint %tmp4 to ubyte
+	%tmp7 = shl uint %tmp5, ubyte %tmp6
+	%tmp9 = xor ubyte %tmp6, 16
+	%tmp11 = shr uint %tmp3, ubyte %tmp9
+	%tmp12 = or uint %tmp11, %tmp7
+	store uint %tmp12, uint* %C
+	ret void
+}