[x86] eliminate unnecessary shuffling/moves with unary scalar math ops (PR21507)

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

diff --git a/test/CodeGen/X86/coalescer-remat.ll b/test/CodeGen/X86/coalescer-remat.ll
index ab029f45658ce538f4406bdda07f080ab4f65cbf..62e0562fd500f31792c45121dc190a72c1725342 100644 (file)
--- a/test/CodeGen/X86/coalescer-remat.ll
+++ b/test/CodeGen/X86/coalescer-remat.ll
@@ -1,15 +1,14 @@
-; RUN: llvm-as < %s | llc -mtriple=x86_64-apple-darwin | grep xor | count 3
+; RUN: llc < %s -mtriple=x86_64-apple-darwin | grep xor | count 3
 
-@val = internal global i64 0           ; <i64*> [#uses=1]
-@"\01LC" = internal constant [7 x i8] c"0x%lx\0A\00"           ; <[7 x i8]*> [#uses=1]
+@val = internal global i64 0
+@"\01LC" = internal constant [7 x i8] c"0x%lx\0A\00"
 
 define i32 @main() nounwind {
 entry:
-       %0 = tail call i64 @llvm.atomic.cmp.swap.i64.p0i64(i64* @val, i64 0, i64 1)             ; <i64> [#uses=1]
-       %1 = tail call i32 (i8*, ...)* @printf(i8* getelementptr ([7 x i8]* @"\01LC", i32 0, i64 0), i64 %0) nounwind           ; <i32> [#uses=0]
-       ret i32 0
+  %t0 = cmpxchg i64* @val, i64 0, i64 1 monotonic monotonic
+  %0 = extractvalue { i64, i1 } %t0, 0
+  %1 = tail call i32 (i8*, ...) @printf(i8* getelementptr ([7 x i8], [7 x i8]* @"\01LC", i32 0, i64 0), i64 %0) nounwind
+  ret i32 0
 }
 
-declare i64 @llvm.atomic.cmp.swap.i64.p0i64(i64*, i64, i64) nounwind
-
 declare i32 @printf(i8*, ...) nounwind