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author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-04-13 22:47:00 +0000 |
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committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-04-13 22:47:00 +0000 |
commit | 42fc29e7176ff51d649eccf82c836510fde4438f (patch) | |
tree | e2d75b68bf9dd9baa14352328a6b62506d4ae596 /test/CodeGen/X86/atomic_op.ll | |
parent | 3423132f2e48ba34fa76df0d8ab8990c85b5e677 (diff) | |
download | llvm-42fc29e7176ff51d649eccf82c836510fde4438f.tar.gz llvm-42fc29e7176ff51d649eccf82c836510fde4438f.tar.bz2 llvm-42fc29e7176ff51d649eccf82c836510fde4438f.tar.xz |
Fix X86 codegen for 'atomicrmw nand' to generate *x = ~(*x & y), not *x = ~*x & y.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154705 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/atomic_op.ll')
-rw-r--r-- | test/CodeGen/X86/atomic_op.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/X86/atomic_op.ll b/test/CodeGen/X86/atomic_op.ll index 972dab292a..c8cb78e34e 100644 --- a/test/CodeGen/X86/atomic_op.ll +++ b/test/CodeGen/X86/atomic_op.ll @@ -13,6 +13,7 @@ entry: %xort = alloca i32 ; <i32*> [#uses=2] %old = alloca i32 ; <i32*> [#uses=18] %temp = alloca i32 ; <i32*> [#uses=2] + %temp64 = alloca i64 store i32 %argc, i32* %argc.addr store i8** %argv, i8*** %argv.addr store i32 0, i32* %val1 @@ -106,6 +107,20 @@ entry: ; CHECK: cmpxchgl %17 = cmpxchg i32* %val2, i32 1976, i32 1 monotonic store i32 %17, i32* %old + ; CHECK: andl + ; CHECK: notl + ; CHECK: lock + ; CHECK: cmpxchgl + %18 = atomicrmw nand i32* %val2, i32 1401 monotonic + store i32 %18, i32* %old + ; CHECK: andl + ; CHECK: andl + ; CHECK: notl + ; CHECK: notl + ; CHECK: lock + ; CHECK: cmpxchg8b + %19 = atomicrmw nand i64* %temp64, i64 17361641481138401520 monotonic + store i64 %19, i64* %temp64 ret void } |