[X86] Try fixing r336768

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337043 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index cf22461a92f8128ae081855c4098d49e1339c5a0..82f52a3247f21017c9153112947a1cca076c838e 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -33462,7 +33462,7 @@ static SDValue combineCMov(SDNode *N, SelectionDAG &DAG,
       if (AddOp1 && (AddOp2.getOpcode() == ISD::CTTZ_ZERO_UNDEF ||
                      AddOp2.getOpcode() == ISD::CTTZ)) {
         APInt Diff = Cnst->getAPIntValue() - AddOp1->getAPIntValue();
-        if (CC == X86::COND_NE) {
+        if (CC == X86::COND_E) {
           Add = DAG.getNode(X86ISD::CMOV, DL, Add.getValueType(), AddOp2,
                             DAG.getConstant(Diff, DL, Add.getValueType()),
                             DAG.getConstant(CC, DL, MVT::i8), Cond);

diff --git a/test/CodeGen/X86/dagcombine-select.ll b/test/CodeGen/X86/dagcombine-select.ll
index ba9b9db6560156fc8b14c3b6ea72ff2516769c0c..2b05154676e601d75a2609bcf1ddca985eebd82e 100644 (file)
--- a/test/CodeGen/X86/dagcombine-select.ll
+++ b/test/CodeGen/X86/dagcombine-select.ll
@@ -287,7 +287,7 @@ define i64 @cttz_64_eq_select(i64 %v) nounwind {
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    bsfq %rdi, %rcx
 ; CHECK-NEXT:    movq $-1, %rax
-; CHECK-NEXT:    cmoveq %rcx, %rax
+; CHECK-NEXT:    cmovneq %rcx, %rax
 ; CHECK-NEXT:    addq $6, %rax
 ; CHECK-NEXT:    retq
 
@@ -295,7 +295,7 @@ define i64 @cttz_64_eq_select(i64 %v) nounwind {
 ; BMI:       # %bb.0:
 ; BMI-NEXT:    tzcntq %rdi, %rcx
 ; BMI-NEXT:    movq $-1, %rax
-; BMI-NEXT:    cmovbq %rcx, %rax
+; BMI-NEXT:    cmovaeq %rcx, %rax
 ; BMI-NEXT:    addq $6, %rax
 ; BMI-NEXT:    retq
   %cnt = tail call i64 @llvm.cttz.i64(i64 %v, i1 true)
@@ -310,7 +310,7 @@ define i64 @cttz_64_ne_select(i64 %v) nounwind {
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    bsfq %rdi, %rcx
 ; CHECK-NEXT:    movq $-1, %rax
-; CHECK-NEXT:    cmoveq %rcx, %rax
+; CHECK-NEXT:    cmovneq %rcx, %rax
 ; CHECK-NEXT:    addq $6, %rax
 ; CHECK-NEXT:    retq
 
@@ -318,7 +318,7 @@ define i64 @cttz_64_ne_select(i64 %v) nounwind {
 ; BMI:       # %bb.0:
 ; BMI-NEXT:    tzcntq %rdi, %rcx
 ; BMI-NEXT:    movq $-1, %rax
-; BMI-NEXT:    cmovbq %rcx, %rax
+; BMI-NEXT:    cmovaeq %rcx, %rax
 ; BMI-NEXT:    addq $6, %rax
 ; BMI-NEXT:    retq
   %cnt = tail call i64 @llvm.cttz.i64(i64 %v, i1 true)
@@ -334,7 +334,7 @@ define i32 @cttz_32_eq_select(i32 %v) nounwind {
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    bsfl %edi, %ecx
 ; CHECK-NEXT:    movl $-1, %eax
-; CHECK-NEXT:    cmovel %ecx, %eax
+; CHECK-NEXT:    cmovnel %ecx, %eax
 ; CHECK-NEXT:    addl $6, %eax
 ; CHECK-NEXT:    retq
 
@@ -342,7 +342,7 @@ define i32 @cttz_32_eq_select(i32 %v) nounwind {
 ; BMI:       # %bb.0:
 ; BMI-NEXT:    tzcntl %edi, %ecx
 ; BMI-NEXT:    movl $-1, %eax
-; BMI-NEXT:    cmovbl %ecx, %eax
+; BMI-NEXT:    cmovael %ecx, %eax
 ; BMI-NEXT:    addl $6, %eax
 ; BMI-NEXT:    retq
   %cnt = tail call i32 @llvm.cttz.i32(i32 %v, i1 true)
@@ -357,7 +357,7 @@ define i32 @cttz_32_ne_select(i32 %v) nounwind {
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    bsfl %edi, %ecx
 ; CHECK-NEXT:    movl $-1, %eax
-; CHECK-NEXT:    cmovel %ecx, %eax
+; CHECK-NEXT:    cmovnel %ecx, %eax
 ; CHECK-NEXT:    addl $6, %eax
 ; CHECK-NEXT:    retq
 
@@ -365,7 +365,7 @@ define i32 @cttz_32_ne_select(i32 %v) nounwind {
 ; BMI:       # %bb.0:
 ; BMI-NEXT:    tzcntl %edi, %ecx
 ; BMI-NEXT:    movl $-1, %eax
-; BMI-NEXT:    cmovbl %ecx, %eax
+; BMI-NEXT:    cmovael %ecx, %eax
 ; BMI-NEXT:    addl $6, %eax
 ; BMI-NEXT:    retq
   %cnt = tail call i32 @llvm.cttz.i32(i32 %v, i1 true)