1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/atomic_add.ll b/test/CodeGen/X86/atomic_add.ll
index bdd25e6..f60212d 100644
--- a/test/CodeGen/X86/atomic_add.ll
+++ b/test/CodeGen/X86/atomic_add.ll
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -march=x86-64 -verify-machineinstrs | FileCheck %s
+; RUN: llc < %s -march=x86-64 -mattr=slow-incdec -verify-machineinstrs | FileCheck %s --check-prefix SLOW_INC
 
 ; rdar://7103704
 
@@ -14,6 +15,8 @@ define void @inc4(i64* nocapture %p) nounwind ssp {
 entry:
 ; CHECK-LABEL: inc4:
 ; CHECK: incq
+; SLOW_INC-LABEL: inc4:
+; SLOW_INC-NOT: incq
   %0 = atomicrmw add i64* %p, i64 1 monotonic
   ret void
 }
@@ -39,6 +42,8 @@ define void @inc3(i8* nocapture %p) nounwind ssp {
 entry:
 ; CHECK-LABEL: inc3:
 ; CHECK: incb
+; SLOW_INC-LABEL: inc3:
+; SLOW_INC-NOT: incb
   %0 = atomicrmw add i8* %p, i8 1 monotonic
   ret void
 }
@@ -64,6 +69,8 @@ define void @inc2(i16* nocapture %p) nounwind ssp {
 entry:
 ; CHECK-LABEL: inc2:
 ; CHECK: incw
+; SLOW_INC-LABEL: inc2:
+; SLOW_INC-NOT: incw
   %0 = atomicrmw add i16* %p, i16 1 monotonic
   ret void
 }
@@ -89,6 +96,8 @@ define void @inc1(i32* nocapture %p) nounwind ssp {
 entry:
 ; CHECK-LABEL: inc1:
 ; CHECK: incl
+; SLOW_INC-LABEL: inc1:
+; SLOW_INC-NOT: incl
   %0 = atomicrmw add i32* %p, i32 1 monotonic
   ret void
 }
@@ -113,6 +122,8 @@ define void @dec4(i64* nocapture %p) nounwind ssp {
 entry:
 ; CHECK-LABEL: dec4:
 ; CHECK: decq
+; SLOW_INC-LABEL: dec4:
+; SLOW_INC-NOT: decq
   %0 = atomicrmw sub i64* %p, i64 1 monotonic
   ret void
 }
@@ -138,6 +149,8 @@ define void @dec3(i8* nocapture %p) nounwind ssp {
 entry:
 ; CHECK-LABEL: dec3:
 ; CHECK: decb
+; SLOW_INC-LABEL: dec3:
+; SLOW_INC-NOT: decb
   %0 = atomicrmw sub i8* %p, i8 1 monotonic
   ret void
 }
@@ -163,6 +176,8 @@ define void @dec2(i16* nocapture %p) nounwind ssp {
 entry:
 ; CHECK-LABEL: dec2:
 ; CHECK: decw
+; SLOW_INC-LABEL: dec2:
+; SLOW_INC-NOT: decw
   %0 = atomicrmw sub i16* %p, i16 1 monotonic
   ret void
 }
@@ -189,6 +204,8 @@ define void @dec1(i32* nocapture %p) nounwind ssp {
 entry:
 ; CHECK-LABEL: dec1:
 ; CHECK: decl
+; SLOW_INC-LABEL: dec1:
+; SLOW_INC-NOT: decl
   %0 = atomicrmw sub i32* %p, i32 1 monotonic
   ret void
 }