CodeGen peephole: fold redundant phys reg copies

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

diff --git a/test/CodeGen/X86/atomic_add.ll b/test/CodeGen/X86/atomic_add.ll
index d94499889de410e677db00510b034ffe768fe589..f60212de5339f159e09a1dee44a699bbf3831e1b 100644 (file)
--- a/test/CodeGen/X86/atomic_add.ll
+++ b/test/CodeGen/X86/atomic_add.ll
@@ -1,10 +1,11 @@
-; RUN: llc < %s -march=x86-64 | FileCheck %s
+; 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
 
 define void @sub1(i32* nocapture %p, i32 %v) nounwind ssp {
 entry:
-; CHECK: sub1:
+; CHECK-LABEL: sub1:
 ; CHECK: subl
   %0 = atomicrmw sub i32* %p, i32 %v monotonic
   ret void
@@ -12,15 +13,17 @@ entry:
 
 define void @inc4(i64* nocapture %p) nounwind ssp {
 entry:
-; CHECK: inc4:
+; CHECK-LABEL: inc4:
 ; CHECK: incq
+; SLOW_INC-LABEL: inc4:
+; SLOW_INC-NOT: incq
   %0 = atomicrmw add i64* %p, i64 1 monotonic
   ret void
 }
 
 define void @add8(i64* nocapture %p) nounwind ssp {
 entry:
-; CHECK: add8:
+; CHECK-LABEL: add8:
 ; CHECK: addq $2
   %0 = atomicrmw add i64* %p, i64 2 monotonic
   ret void
@@ -28,7 +31,7 @@ entry:
 
 define void @add4(i64* nocapture %p, i32 %v) nounwind ssp {
 entry:
-; CHECK: add4:
+; CHECK-LABEL: add4:
 ; CHECK: addq
   %0 = sext i32 %v to i64              ; <i64> [#uses=1]
   %1 = atomicrmw add i64* %p, i64 %0 monotonic
@@ -37,15 +40,17 @@ entry:
 
 define void @inc3(i8* nocapture %p) nounwind ssp {
 entry:
-; CHECK: inc3:
+; CHECK-LABEL: inc3:
 ; CHECK: incb
+; SLOW_INC-LABEL: inc3:
+; SLOW_INC-NOT: incb
   %0 = atomicrmw add i8* %p, i8 1 monotonic
   ret void
 }
 
 define void @add7(i8* nocapture %p) nounwind ssp {
 entry:
-; CHECK: add7:
+; CHECK-LABEL: add7:
 ; CHECK: addb $2
   %0 = atomicrmw add i8* %p, i8 2 monotonic
   ret void
@@ -53,7 +58,7 @@ entry:
 
 define void @add3(i8* nocapture %p, i32 %v) nounwind ssp {
 entry:
-; CHECK: add3:
+; CHECK-LABEL: add3:
 ; CHECK: addb
   %0 = trunc i32 %v to i8              ; <i8> [#uses=1]
   %1 = atomicrmw add i8* %p, i8 %0 monotonic
@@ -62,15 +67,17 @@ entry:
 
 define void @inc2(i16* nocapture %p) nounwind ssp {
 entry:
-; CHECK: inc2:
+; CHECK-LABEL: inc2:
 ; CHECK: incw
+; SLOW_INC-LABEL: inc2:
+; SLOW_INC-NOT: incw
   %0 = atomicrmw add i16* %p, i16 1 monotonic
   ret void
 }
 
 define void @add6(i16* nocapture %p) nounwind ssp {
 entry:
-; CHECK: add6:
+; CHECK-LABEL: add6:
 ; CHECK: addw $2
   %0 = atomicrmw add i16* %p, i16 2 monotonic
   ret void
@@ -78,7 +85,7 @@ entry:
 
 define void @add2(i16* nocapture %p, i32 %v) nounwind ssp {
 entry:
-; CHECK: add2:
+; CHECK-LABEL: add2:
 ; CHECK: addw
        %0 = trunc i32 %v to i16                ; <i16> [#uses=1]
   %1 = atomicrmw add i16* %p, i16 %0 monotonic
@@ -87,15 +94,17 @@ entry:
 
 define void @inc1(i32* nocapture %p) nounwind ssp {
 entry:
-; CHECK: inc1:
+; CHECK-LABEL: inc1:
 ; CHECK: incl
+; SLOW_INC-LABEL: inc1:
+; SLOW_INC-NOT: incl
   %0 = atomicrmw add i32* %p, i32 1 monotonic
   ret void
 }
 
 define void @add5(i32* nocapture %p) nounwind ssp {
 entry:
-; CHECK: add5:
+; CHECK-LABEL: add5:
 ; CHECK: addl $2
   %0 = atomicrmw add i32* %p, i32 2 monotonic
   ret void
@@ -103,7 +112,7 @@ entry:
 
 define void @add1(i32* nocapture %p, i32 %v) nounwind ssp {
 entry:
-; CHECK: add1:
+; CHECK-LABEL: add1:
 ; CHECK: addl
   %0 = atomicrmw add i32* %p, i32 %v monotonic
   ret void
@@ -111,15 +120,17 @@ entry:
 
 define void @dec4(i64* nocapture %p) nounwind ssp {
 entry:
-; CHECK: dec4:
+; CHECK-LABEL: dec4:
 ; CHECK: decq
+; SLOW_INC-LABEL: dec4:
+; SLOW_INC-NOT: decq
   %0 = atomicrmw sub i64* %p, i64 1 monotonic
   ret void
 }
 
 define void @sub8(i64* nocapture %p) nounwind ssp {
 entry:
-; CHECK: sub8:
+; CHECK-LABEL: sub8:
 ; CHECK: subq $2
   %0 = atomicrmw sub i64* %p, i64 2 monotonic
   ret void
@@ -127,7 +138,7 @@ entry:
 
 define void @sub4(i64* nocapture %p, i32 %v) nounwind ssp {
 entry:
-; CHECK: sub4:
+; CHECK-LABEL: sub4:
 ; CHECK: subq
        %0 = sext i32 %v to i64         ; <i64> [#uses=1]
   %1 = atomicrmw sub i64* %p, i64 %0 monotonic
@@ -136,15 +147,17 @@ entry:
 
 define void @dec3(i8* nocapture %p) nounwind ssp {
 entry:
-; CHECK: dec3:
+; CHECK-LABEL: dec3:
 ; CHECK: decb
+; SLOW_INC-LABEL: dec3:
+; SLOW_INC-NOT: decb
   %0 = atomicrmw sub i8* %p, i8 1 monotonic
   ret void
 }
 
 define void @sub7(i8* nocapture %p) nounwind ssp {
 entry:
-; CHECK: sub7:
+; CHECK-LABEL: sub7:
 ; CHECK: subb $2
   %0 = atomicrmw sub i8* %p, i8 2 monotonic
   ret void
@@ -152,7 +165,7 @@ entry:
 
 define void @sub3(i8* nocapture %p, i32 %v) nounwind ssp {
 entry:
-; CHECK: sub3:
+; CHECK-LABEL: sub3:
 ; CHECK: subb
        %0 = trunc i32 %v to i8         ; <i8> [#uses=1]
   %1 = atomicrmw sub i8* %p, i8 %0 monotonic
@@ -161,15 +174,17 @@ entry:
 
 define void @dec2(i16* nocapture %p) nounwind ssp {
 entry:
-; CHECK: dec2:
+; CHECK-LABEL: dec2:
 ; CHECK: decw
+; SLOW_INC-LABEL: dec2:
+; SLOW_INC-NOT: decw
   %0 = atomicrmw sub i16* %p, i16 1 monotonic
   ret void
 }
 
 define void @sub6(i16* nocapture %p) nounwind ssp {
 entry:
-; CHECK: sub6:
+; CHECK-LABEL: sub6:
 ; CHECK: subw $2
   %0 = atomicrmw sub i16* %p, i16 2 monotonic
   ret void
@@ -177,7 +192,7 @@ entry:
 
 define void @sub2(i16* nocapture %p, i32 %v) nounwind ssp {
 entry:
-; CHECK: sub2:
+; CHECK-LABEL: sub2:
 ; CHECK-NOT: negl
 ; CHECK: subw
        %0 = trunc i32 %v to i16                ; <i16> [#uses=1]
@@ -187,15 +202,17 @@ entry:
 
 define void @dec1(i32* nocapture %p) nounwind ssp {
 entry:
-; CHECK: dec1:
+; CHECK-LABEL: dec1:
 ; CHECK: decl
+; SLOW_INC-LABEL: dec1:
+; SLOW_INC-NOT: decl
   %0 = atomicrmw sub i32* %p, i32 1 monotonic
   ret void
 }
 
 define void @sub5(i32* nocapture %p) nounwind ssp {
 entry:
-; CHECK: sub5:
+; CHECK-LABEL: sub5:
 ; CHECK: subl $2
   %0 = atomicrmw sub i32* %p, i32 2 monotonic
   ret void