Another instruction scheduling test case

[oota-llvm.git] / test / CodeGen / X86 / 2006-05-08-InstrSched.ll

diff --git a/test/CodeGen/X86/2006-05-08-InstrSched.ll b/test/CodeGen/X86/2006-05-08-InstrSched.ll
new file mode 100644 (file)
index 0000000..5fd9c02
--- /dev/null
+++ b/test/CodeGen/X86/2006-05-08-InstrSched.ll
@@ -0,0 +1,22 @@
+; RUN: llvm-as < %s | llc -march=x86 -relocation-model=static -sched-lower-defnuse | not grep 'xorb $16, %cl'
+
+%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
+}