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871650f3b5
The aggressive anti-dependency breaker can rename the restored callee- saved registers. To prevent this, mark these registers are live on all paths to the return/tail-call instructions, and add implicit use operands for them to these instructions. llvm-svn: 270898
14 lines
311 B
LLVM
14 lines
311 B
LLVM
; RUN: llc -march=hexagon < %s | FileCheck %s
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; Check that we generate new value store.
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@i = global i32 0, align 4
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define i32 @main(i32 %x, i32* %p) nounwind {
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entry:
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; CHECK: memw(r{{[0-9]+}}+#{{[0-9]+}}) = r{{[0-9]+}}.new
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%t0 = load i32, i32* @i, align 4
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store i32 %t0, i32* %p, align 4
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ret i32 %x
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}
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