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author | Pawel Wodnicki <pawel@32bitmicro.com> | 2012-11-19 22:31:55 +0000 |
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committer | Pawel Wodnicki <pawel@32bitmicro.com> | 2012-11-19 22:31:55 +0000 |
commit | dbf293f3675d5b22560926e1bedd3b99c606e41b (patch) | |
tree | f7f7d850075e3bb66089b502b8cd9a8431b17f0a /test | |
parent | c8a344e16acf6df8d402729da2e1dff7c5187633 (diff) | |
download | llvm-dbf293f3675d5b22560926e1bedd3b99c606e41b.tar.gz llvm-dbf293f3675d5b22560926e1bedd3b99c606e41b.tar.bz2 llvm-dbf293f3675d5b22560926e1bedd3b99c606e41b.tar.xz |
Merging r167718 into 3.2 release branch
Fix PR14314
- Fix operand order for atomic sub, where the minuend is the value
loaded from memory and the subtrahend is the parameter specified.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_32@168336 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/CodeGen/X86/2010-01-08-Atomic64Bug.ll | 8 | ||||
-rw-r--r-- | test/CodeGen/X86/pr14314.ll | 13 |
2 files changed, 17 insertions, 4 deletions
diff --git a/test/CodeGen/X86/2010-01-08-Atomic64Bug.ll b/test/CodeGen/X86/2010-01-08-Atomic64Bug.ll index 7d1cda35a2..3d058bc289 100644 --- a/test/CodeGen/X86/2010-01-08-Atomic64Bug.ll +++ b/test/CodeGen/X86/2010-01-08-Atomic64Bug.ll @@ -10,10 +10,10 @@ entry: ; CHECK: movl ([[REG:%[a-z]+]]), %eax ; CHECK: movl 4([[REG]]), %edx ; CHECK: LBB0_1: -; CHECK: movl $1 -; CHECK: addl -; CHECK: movl $0 -; CHECK: adcl +; CHECK: movl %eax, %ebx +; CHECK: addl {{%[a-z]+}}, %ebx +; CHECK: movl %edx, %ecx +; CHECK: adcl {{%[a-z]+}}, %ecx ; CHECK: lock ; CHECK-NEXT: cmpxchg8b ([[REG]]) ; CHECK-NEXT: jne diff --git a/test/CodeGen/X86/pr14314.ll b/test/CodeGen/X86/pr14314.ll new file mode 100644 index 0000000000..5388a4b01b --- /dev/null +++ b/test/CodeGen/X86/pr14314.ll @@ -0,0 +1,13 @@ +; RUN: llc < %s -mtriple=i386-pc-linux -mcpu=corei7 | FileCheck %s + +define i64 @atomicSub(i64* %a, i64 %b) nounwind { +entry: + %0 = atomicrmw sub i64* %a, i64 %b seq_cst + ret i64 %0 +; CHECK: atomicSub +; movl %eax, %ebx +; subl {{%[a-z]+}}, %ebx +; movl %edx, %ecx +; sbbl {{%[a-z]+}}, %ecx +; CHECK: ret +} |