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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-08-31 00:31:29 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-08-31 00:31:29 +0000 |
| commit | 2bdffe488203a08a2ca98548a157e0eaf39d4b2d (patch) | |
| tree | 153a6151e86b6d0767a8e72ac469db1514f919a5 /test/CodeGen/ARM | |
| parent | 8f00ffce502c9eb710740e9961cd470fa1908815 (diff) | |
| download | llvm-2bdffe488203a08a2ca98548a157e0eaf39d4b2d.tar.gz llvm-2bdffe488203a08a2ca98548a157e0eaf39d4b2d.tar.bz2 llvm-2bdffe488203a08a2ca98548a157e0eaf39d4b2d.tar.xz | |
Some 64-bit atomic operations on ARM. 64-bit cmpxchg coming next.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138845 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ARM')
| -rw-r--r-- | test/CodeGen/ARM/atomic-64bit.ll | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/atomic-64bit.ll b/test/CodeGen/ARM/atomic-64bit.ll new file mode 100644 index 0000000000..186581ca8f --- /dev/null +++ b/test/CodeGen/ARM/atomic-64bit.ll @@ -0,0 +1,83 @@ +; RUN: llc < %s -mtriple=armv7-apple-ios | FileCheck %s + +define i64 @test1(i64* %ptr, i64 %val) { +; CHECK: test1 +; CHECK: dmb ish +; CHECK: ldrexd r2, r3 +; CHECK: adds r0, r2 +; CHECK: adc r1, r3 +; CHECK: strexd {{r[0-9]+}}, r0, r1 +; CHECK: cmp +; CHECK: bne +; CHECK: dmb ish + %r = atomicrmw add i64* %ptr, i64 %val seq_cst + ret i64 %r +} + +define i64 @test2(i64* %ptr, i64 %val) { +; CHECK: test2 +; CHECK: dmb ish +; CHECK: ldrexd r2, r3 +; CHECK: subs r0, r2 +; CHECK: sbc r1, r3 +; CHECK: strexd {{r[0-9]+}}, r0, r1 +; CHECK: cmp +; CHECK: bne +; CHECK: dmb ish + %r = atomicrmw sub i64* %ptr, i64 %val seq_cst + ret i64 %r +} + +define i64 @test3(i64* %ptr, i64 %val) { +; CHECK: test3 +; CHECK: dmb ish +; CHECK: ldrexd r2, r3 +; CHECK: and r0, r2 +; CHECK: and r1, r3 +; CHECK: strexd {{r[0-9]+}}, r0, r1 +; CHECK: cmp +; CHECK: bne +; CHECK: dmb ish + %r = atomicrmw and i64* %ptr, i64 %val seq_cst + ret i64 %r +} + +define i64 @test4(i64* %ptr, i64 %val) { +; CHECK: test4 +; CHECK: dmb ish +; CHECK: ldrexd r2, r3 +; CHECK: orr r0, r2 +; CHECK: orr r1, r3 +; CHECK: strexd {{r[0-9]+}}, r0, r1 +; CHECK: cmp +; CHECK: bne +; CHECK: dmb ish + %r = atomicrmw or i64* %ptr, i64 %val seq_cst + ret i64 %r +} + +define i64 @test5(i64* %ptr, i64 %val) { +; CHECK: test5 +; CHECK: dmb ish +; CHECK: ldrexd r2, r3 +; CHECK: eor r0, r2 +; CHECK: eor r1, r3 +; CHECK: strexd {{r[0-9]+}}, r0, r1 +; CHECK: cmp +; CHECK: bne +; CHECK: dmb ish + %r = atomicrmw xor i64* %ptr, i64 %val seq_cst + ret i64 %r +} + +define i64 @test6(i64* %ptr, i64 %val) { +; CHECK: test6 +; CHECK: dmb ish +; CHECK: ldrexd r2, r3 +; CHECK: strexd {{r[0-9]+}}, r0, r1 +; CHECK: cmp +; CHECK: bne +; CHECK: dmb ish + %r = atomicrmw xchg i64* %ptr, i64 %val seq_cst + ret i64 %r +}
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