19 lines
519 B
LLVM
19 lines
519 B
LLVM
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; RUN: llc -mtriple=hexagon < %s | FileCheck %s
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; Test that the address for a store conditional for a byte is aligned
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; correctly to use the memw_locked instruction.
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; CHECK: [[REG:(r[0-9]+)]] = and(r{{[0-9]+}},#-4)
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; CHECK: = memw_locked([[REG]])
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; CHECK: memw_locked([[REG]],p{{[0-4]}}) =
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@foo.a00 = internal global i8 0, align 1
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; Function Attrs: nofree norecurse nounwind
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define dso_local void @foo() local_unnamed_addr #0 {
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entry:
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%0 = cmpxchg volatile i8* @foo.a00, i8 0, i8 1 seq_cst seq_cst
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ret void
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}
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