[TwoAddressInstructionPass] Try 3 Addr Conversion After Commuting.

[oota-llvm.git] / test / CodeGen / X86 / fold-load.ll

diff --git a/test/CodeGen/X86/fold-load.ll b/test/CodeGen/X86/fold-load.ll
index e03cb7edb58035b6d85e7dcecc381d52ba902c47..8cdc58bb75e03868479e1ac0f56dd5e8ae2db1a2 100644 (file)
--- a/test/CodeGen/X86/fold-load.ll
+++ b/test/CodeGen/X86/fold-load.ll
@@ -10,7 +10,7 @@ entry:
 
 cond_true:             ; preds = %entry
        %new_size.0.i = select i1 false, i32 0, i32 0           ; <i32> [#uses=1]
-       %tmp.i = load i32* bitcast (i8* getelementptr (%struct.obstack* @stmt_obstack, i32 0, i32 10) to i32*)          ; <i32> [#uses=1]
+       %tmp.i = load i32, i32* bitcast (i8* getelementptr (%struct.obstack, %struct.obstack* @stmt_obstack, i32 0, i32 10) to i32*)            ; <i32> [#uses=1]
        %tmp.i.upgrd.1 = trunc i32 %tmp.i to i8         ; <i8> [#uses=1]
        %tmp21.i = and i8 %tmp.i.upgrd.1, 1             ; <i8> [#uses=1]
        %tmp22.i = icmp eq i8 %tmp21.i, 0               ; <i1> [#uses=1]
@@ -30,7 +30,7 @@ cond_next:            ; preds = %entry
 
 
 define i32 @test2(i16* %P, i16* %Q) nounwind {
-  %A = load i16* %P, align 4                      ; <i16> [#uses=11]
+  %A = load i16, i16* %P, align 4                      ; <i16> [#uses=11]
   %C = zext i16 %A to i32                         ; <i32> [#uses=1]
   %D = and i32 %C, 255                            ; <i32> [#uses=1]
   br label %L
@@ -38,10 +38,36 @@ L:
 
   store i16 %A, i16* %Q
   ret i32 %D
-  
-; CHECK: test2:
+
+; CHECK-LABEL: test2:
 ; CHECK:       movl    4(%esp), %eax
-; CHECK-NEXT:  movzwl  (%eax), %ecx
+; CHECK-NEXT:  movzwl  (%eax), %e{{..}}
 
 }
 
+; rdar://10554090
+; xor in exit block will be CSE'ed and load will be folded to xor in entry.
+define i1 @test3(i32* %P, i32* %Q) nounwind {
+; CHECK-LABEL: test3:
+; CHECK: movl 8(%esp), %e
+; CHECK: movl 4(%esp), %e
+; CHECK: xorl (%e
+; CHECK: j
+entry:
+  %0 = load i32, i32* %P, align 4
+  %1 = load i32, i32* %Q, align 4
+  %2 = xor i32 %0, %1
+  %3 = and i32 %2, 89947
+  %4 = icmp eq i32 %3, 0
+  br i1 %4, label %exit, label %land.end
+
+exit:
+  %shr.i.i19 = xor i32 %1, %0
+  %5 = and i32 %shr.i.i19, 3456789123
+  %6 = icmp eq i32 %5, 0
+  br label %land.end
+
+land.end:
+  %7 = phi i1 [ %6, %exit ], [ false, %entry ]
+  ret i1 %7
+}