[SimplifyLibCalls] Remove useless bits of this tests.

[oota-llvm.git] / test / Transforms / InstCombine / 2010-11-01-lshr-mask.ll

diff --git a/test/Transforms/InstCombine/2010-11-01-lshr-mask.ll b/test/Transforms/InstCombine/2010-11-01-lshr-mask.ll
index d74c70e4f7501e7b0c05bb833e78cec18db8d67c..1549c0d0f46e4d47255f7ec7100b164c290c3527 100644 (file)
--- a/test/Transforms/InstCombine/2010-11-01-lshr-mask.ll
+++ b/test/Transforms/InstCombine/2010-11-01-lshr-mask.ll
@@ -1,20 +1,46 @@
 ; RUN: opt -instcombine -S < %s | FileCheck %s
-; <rdar://problem/8606771>
 
+; <rdar://problem/8606771>
+; CHECK-LABEL: @main(
 define i32 @main(i32 %argc) nounwind ssp {
 entry:
   %tmp3151 = trunc i32 %argc to i8
+; CHECK: %0 = shl i8 %tmp3151, 5
+; CHECK: and i8 %0, 64
+; CHECK-NOT: shl
+; CHECK-NOT: shr
   %tmp3161 = or i8 %tmp3151, -17
   %tmp3162 = and i8 %tmp3151, 122
   %tmp3163 = xor i8 %tmp3162, -17
   %tmp4114 = shl i8 %tmp3163, 6
   %tmp4115 = xor i8 %tmp4114, %tmp3163
   %tmp4120 = xor i8 %tmp3161, %tmp4115
-; CHECK: lshr i8 %tmp4115, 1
-; CHECK-NOT: shl i8 %tmp4126, 6
   %tmp4126 = lshr i8 %tmp4120, 7
   %tmp4127 = mul i8 %tmp4126, 64
   %tmp4086 = zext i8 %tmp4127 to i32
 ; CHECK: ret i32
   ret i32 %tmp4086
 }
+
+; rdar://8739316
+; CHECK-LABEL: @foo(
+define i8 @foo(i8 %arg, i8 %arg1) nounwind {
+bb:
+  %tmp = shl i8 %arg, 7
+  %tmp2 = and i8 %arg1, 84
+  %tmp3 = and i8 %arg1, -118
+  %tmp4 = and i8 %arg1, 33
+  %tmp5 = sub i8 -88, %tmp2
+  %tmp6 = and i8 %tmp5, 84
+  %tmp7 = or i8 %tmp4, %tmp6
+  %tmp8 = xor i8 %tmp, %tmp3
+  %tmp9 = or i8 %tmp7, %tmp8
+  %tmp10 = lshr i8 %tmp8, 7
+  %tmp11 = shl i8 %tmp10, 5
+
+; CHECK: %tmp10 = lshr i8 %tmp8, 7
+; CHECK: %tmp11 = shl nuw nsw i8 %tmp10, 5
+
+  %tmp12 = xor i8 %tmp11, %tmp9
+  ret i8 %tmp12
+}