[SDAG] Now that we have a way to communicate the exact bit on sdiv use it to simplify...

[oota-llvm.git] / test / CodeGen / X86 / xor-icmp.ll

diff --git a/test/CodeGen/X86/xor-icmp.ll b/test/CodeGen/X86/xor-icmp.ll
index a6bdb13ec6b41213e5205fcc587e6efd9c9b11ad..397e5bc10f5b3632428b1e9bf5dae1cc94d92b2f 100644 (file)
--- a/test/CodeGen/X86/xor-icmp.ll
+++ b/test/CodeGen/X86/xor-icmp.ll
@@ -1,20 +1,21 @@
 ; RUN: llc < %s -march=x86    | FileCheck %s -check-prefix=X32
 ; RUN: llc < %s -march=x86-64 | FileCheck %s -check-prefix=X64
+; rdar://7367229
 
 define i32 @t(i32 %a, i32 %b) nounwind ssp {
 entry:
-; X32:     t:
+; X32-LABEL:     t:
 ; X32:     xorb
 ; X32-NOT: andb
 ; X32-NOT: shrb
 ; X32:     testb $64
-; X32:     jne
+; X32:     je
 
-; X64:     t:
+; X64-LABEL:     t:
 ; X64-NOT: setne
 ; X64:     xorl
 ; X64:     testb $64
-; X64:     jne
+; X64:     je
   %0 = and i32 %a, 16384
   %1 = icmp ne i32 %0, 0
   %2 = and i32 %b, 16384
@@ -23,14 +24,44 @@ entry:
   br i1 %4, label %bb1, label %bb
 
 bb:                                               ; preds = %entry
-  %5 = tail call i32 (...)* @foo() nounwind       ; <i32> [#uses=1]
+  %5 = tail call i32 (...) @foo() nounwind       ; <i32> [#uses=1]
   ret i32 %5
 
 bb1:                                              ; preds = %entry
-  %6 = tail call i32 (...)* @bar() nounwind       ; <i32> [#uses=1]
+  %6 = tail call i32 (...) @bar() nounwind       ; <i32> [#uses=1]
   ret i32 %6
 }
 
 declare i32 @foo(...)
 
 declare i32 @bar(...)
+
+define i32 @t2(i32 %x, i32 %y) nounwind ssp {
+; X32-LABEL: t2:
+; X32: cmpl
+; X32: sete
+; X32: cmpl
+; X32: sete
+; X32-NOT: xor
+; X32: je
+
+; X64-LABEL: t2:
+; X64: testl
+; X64: sete
+; X64: testl
+; X64: sete
+; X64-NOT: xor
+; X64: je
+entry:
+  %0 = icmp eq i32 %x, 0                          ; <i1> [#uses=1]
+  %1 = icmp eq i32 %y, 0                          ; <i1> [#uses=1]
+  %2 = xor i1 %1, %0                              ; <i1> [#uses=1]
+  br i1 %2, label %bb, label %return
+
+bb:                                               ; preds = %entry
+  %3 = tail call i32 (...) @foo() nounwind       ; <i32> [#uses=0]
+  ret i32 undef
+
+return:                                           ; preds = %entry
+  ret i32 undef
+}