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https://github.com/c64scene-ar/llvm-6502.git
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b85e4eba85
for pre-2.9 bitcode files. We keep x86 unaligned loads, movnt, crc32, and the target indep prefetch change. As usual, updating the testsuite is a PITA. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133337 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
761 B
LLVM
24 lines
761 B
LLVM
; RUN: llc < %s -march=ppc32 | grep lwarx | count 3
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; RUN: llc < %s -march=ppc32 | grep stwcx. | count 4
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define i32 @exchange_and_add(i32* %mem, i32 %val) nounwind {
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%tmp = call i32 @llvm.atomic.load.add.i32.p0i32(i32* %mem, i32 %val)
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ret i32 %tmp
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}
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define i32 @exchange_and_cmp(i32* %mem) nounwind {
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%tmp = call i32 @llvm.atomic.cmp.swap.i32.p0i32(i32* %mem, i32 0, i32 1)
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ret i32 %tmp
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}
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define i32 @exchange(i32* %mem, i32 %val) nounwind {
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%tmp = call i32 @llvm.atomic.swap.i32.p0i32(i32* %mem, i32 1)
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ret i32 %tmp
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}
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declare i32 @llvm.atomic.load.add.i32.p0i32(i32* nocapture, i32) nounwind
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declare i32 @llvm.atomic.cmp.swap.i32.p0i32(i32* nocapture, i32, i32) nounwind
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declare i32 @llvm.atomic.swap.i32.p0i32(i32* nocapture, i32) nounwind
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