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Turns out it's pretty straightforward and simplifies the implementation. Reviewers: andrew.w.kaylor Differential Revision: http://reviews.llvm.org/D8051 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231386 91177308-0d34-0410-b5e6-96231b3b80d8
70 lines
1.9 KiB
LLVM
70 lines
1.9 KiB
LLVM
; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
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declare void @llvm.frameescape(...)
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declare i8* @llvm.framerecover(i8*, i8*, i32)
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define internal void @f() {
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%a = alloca i8
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call void (...)* @llvm.frameescape(i8* %a)
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call void (...)* @llvm.frameescape(i8* %a)
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ret void
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}
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; CHECK: multiple calls to llvm.frameescape in one function
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define internal void @g() {
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entry:
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%a = alloca i8
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br label %not_entry
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not_entry:
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call void (...)* @llvm.frameescape(i8* %a)
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ret void
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}
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; CHECK: llvm.frameescape used outside of entry block
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define internal void @h() {
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call i8* @llvm.framerecover(i8* null, i8* null, i32 0)
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ret void
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}
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; CHECK: llvm.framerecover first argument must be function defined in this module
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@global = constant i8 0
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declare void @declaration()
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define internal void @i() {
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call i8* @llvm.framerecover(i8* @global, i8* null, i32 0)
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ret void
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}
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; CHECK: llvm.framerecover first argument must be function defined in this module
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define internal void @j() {
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call i8* @llvm.framerecover(i8* bitcast(void()* @declaration to i8*), i8* null, i32 0)
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ret void
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}
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; CHECK: llvm.framerecover first argument must be function defined in this module
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define internal void @k(i32 %n) {
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call i8* @llvm.framerecover(i8* bitcast(void()* @f to i8*), i8* null, i32 %n)
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ret void
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}
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; CHECK: idx argument of llvm.framerecover must be a constant int
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define internal void @l(i8* %b) {
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%a = alloca i8
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call void (...)* @llvm.frameescape(i8* %a, i8* %b)
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ret void
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}
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; CHECK: llvm.frameescape only accepts static allocas
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define internal void @m() {
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%a = alloca i8
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call void (...)* @llvm.frameescape(i8* %a)
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ret void
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}
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define internal void @n(i8* %fp) {
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call i8* @llvm.framerecover(i8* bitcast(void ()* @m to i8*), i8* %fp, i32 1)
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ret void
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}
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; CHECK: all indices passed to llvm.framerecover must be less than the number of arguments passed ot llvm.frameescape in the parent function
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