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Fix a couple of copy-n-paste bugs. Noticed by George Russell!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147064 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier
2011-12-21 18:56:22 +00:00
parent 84cbb6f00d
commit 8d0447c506
2 changed files with 62 additions and 4 deletions
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58
test/CodeGen/ARM/atomic-op.ll
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@@ -101,3 +101,61 @@ entry:
ret void
}
define void @func2() nounwind {
entry:
%val = alloca i16
%old = alloca i16
store i16 31, i16* %val
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
%0 = atomicrmw umin i16* %val, i16 16 monotonic
store i16 %0, i16* %old
%uneg = sub i16 0, 1
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
%1 = atomicrmw umin i16* %val, i16 %uneg monotonic
store i16 %1, i16* %old
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
%2 = atomicrmw umax i16* %val, i16 1 monotonic
store i16 %2, i16* %old
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
%3 = atomicrmw umax i16* %val, i16 0 monotonic
store i16 %3, i16* %old
ret void
}
define void @func3() nounwind {
entry:
%val = alloca i8
%old = alloca i8
store i8 31, i8* %val
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
%0 = atomicrmw umin i8* %val, i8 16 monotonic
store i8 %0, i8* %old
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
%uneg = sub i8 0, 1
%1 = atomicrmw umin i8* %val, i8 %uneg monotonic
store i8 %1, i8* %old
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
%2 = atomicrmw umax i8* %val, i8 1 monotonic
store i8 %2, i8* %old
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
%3 = atomicrmw umax i8* %val, i8 0 monotonic
store i8 %3, i8* %old
ret void
}