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https://github.com/c64scene-ar/llvm-6502.git
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69ccadd753
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32115 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
738 B
LLVM
29 lines
738 B
LLVM
; Test that functions with dynamic allocas get inlined in a case where
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; naively inlining it would result in a miscompilation.
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; RUN: llvm-upgrade < %s | llvm-as | opt -inline &&
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; RUN: llvm-upgrade < %s | llvm-as | opt -inline | llvm-dis | grep llvm.stacksave &&
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; RUN: llvm-upgrade < %s | llvm-as | opt -inline | llvm-dis | not grep callee
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declare void %ext(int*)
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implementation
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internal void %callee(uint %N) {
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%P = alloca int, uint %N ;; dynamic alloca
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call void %ext(int* %P)
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ret void
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}
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void %foo(uint %N) {
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br label %Loop
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Loop:
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%count = phi uint [0, %0], [%next, %Loop]
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%next = add uint %count, 1
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call void %callee(uint %N)
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%cond = seteq uint %count, 100000
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br bool %cond, label %out, label %Loop
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out:
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ret void
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}
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