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| author | James Molloy <james.molloy@arm.com> | 2012-09-26 09:48:32 +0000 |
|---|---|---|
| committer | James Molloy <james.molloy@arm.com> | 2012-09-26 09:48:32 +0000 |
| commit | 9e98ef1c59668c60711d5579558ea3105a3ae7d1 (patch) | |
| tree | dd6f537b02409d39254702f5f573602777f18cca /llvm/test/CodeGen/ARM/atomicrmw_minmax.ll | |
| parent | 39583b88a02ef7b9e1043c43509b18cdc60c3ebd (diff) | |
| download | bcm5719-llvm-9e98ef1c59668c60711d5579558ea3105a3ae7d1.tar.gz bcm5719-llvm-9e98ef1c59668c60711d5579558ea3105a3ae7d1.zip | |
Fix ordering of operands on lowering of atomicrmw min/max nodes on ARM.
llvm-svn: 164685
Diffstat (limited to 'llvm/test/CodeGen/ARM/atomicrmw_minmax.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/atomicrmw_minmax.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/atomicrmw_minmax.ll b/llvm/test/CodeGen/ARM/atomicrmw_minmax.ll new file mode 100644 index 00000000000..87ec23a9a37 --- /dev/null +++ b/llvm/test/CodeGen/ARM/atomicrmw_minmax.ll @@ -0,0 +1,21 @@ +; RUN: llc -march=arm -mcpu=cortex-a9 %s -o - |& FileCheck %s + +; CHECK: max: +define i32 @max(i8 %ctx, i32* %ptr, i32 %val) +{ +; CHECK: ldrex +; CHECK: cmp [[old:r[0-9]*]], [[val:r[0-9]*]] +; CHECK: movhi {{r[0-9]*}}, [[old]] + %old = atomicrmw umax i32* %ptr, i32 %val monotonic + ret i32 %old +} + +; CHECK: min: +define i32 @min(i8 %ctx, i32* %ptr, i32 %val) +{ +; CHECK: ldrex +; CHECK: cmp [[old:r[0-9]*]], [[val:r[0-9]*]] +; CHECK: movlo {{r[0-9]*}}, [[old]] + %old = atomicrmw umin i32* %ptr, i32 %val monotonic + ret i32 %old +} |
