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Replace llvm.frameallocate with llvm.frameescape

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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
This commit is contained in:
Reid Kleckner
2015-03-05 18:26:34 +00:00
parent 8b4cc5e616
commit 9f7c861416
20 changed files with 376 additions and 399 deletions
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48
test/Verifier/frameallocate.ll
View File

@@ -1,48 +0,0 @@
; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
declare i8* @llvm.frameallocate(i32)
declare i8* @llvm.framerecover(i8*, i8*)
define internal void @f() {
call i8* @llvm.frameallocate(i32 4)
call i8* @llvm.frameallocate(i32 4)
ret void
}
; CHECK: multiple calls to llvm.frameallocate in one function
define internal void @f_a(i32 %n) {
call i8* @llvm.frameallocate(i32 %n)
ret void
}
; CHECK: llvm.frameallocate argument must be constant integer size
define internal void @g() {
entry:
br label %not_entry
not_entry:
call i8* @llvm.frameallocate(i32 4)
ret void
}
; CHECK: llvm.frameallocate used outside of entry block
define internal void @h() {
call i8* @llvm.framerecover(i8* null, i8* null)
ret void
}
; CHECK: llvm.framerecover first argument must be function defined in this module
@global = constant i8 0
declare void @declaration()
define internal void @i() {
call i8* @llvm.framerecover(i8* @global, i8* null)
ret void
}
; CHECK: llvm.framerecover first argument must be function defined in this module
define internal void @j() {
call i8* @llvm.framerecover(i8* bitcast(void()* @declaration to i8*), i8* null)
ret void
}
; CHECK: llvm.framerecover first argument must be function defined in this module

69
test/Verifier/frameescape.ll Normal file
View File

@@ -0,0 +1,69 @@
; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
declare void @llvm.frameescape(...)
declare i8* @llvm.framerecover(i8*, i8*, i32)
define internal void @f() {
%a = alloca i8
call void (...)* @llvm.frameescape(i8* %a)
call void (...)* @llvm.frameescape(i8* %a)
ret void
}
; CHECK: multiple calls to llvm.frameescape in one function
define internal void @g() {
entry:
%a = alloca i8
br label %not_entry
not_entry:
call void (...)* @llvm.frameescape(i8* %a)
ret void
}
; CHECK: llvm.frameescape used outside of entry block
define internal void @h() {
call i8* @llvm.framerecover(i8* null, i8* null, i32 0)
ret void
}
; CHECK: llvm.framerecover first argument must be function defined in this module
@global = constant i8 0
declare void @declaration()
define internal void @i() {
call i8* @llvm.framerecover(i8* @global, i8* null, i32 0)
ret void
}
; CHECK: llvm.framerecover first argument must be function defined in this module
define internal void @j() {
call i8* @llvm.framerecover(i8* bitcast(void()* @declaration to i8*), i8* null, i32 0)
ret void
}
; CHECK: llvm.framerecover first argument must be function defined in this module
define internal void @k(i32 %n) {
call i8* @llvm.framerecover(i8* bitcast(void()* @f to i8*), i8* null, i32 %n)
ret void
}
; CHECK: idx argument of llvm.framerecover must be a constant int
define internal void @l(i8* %b) {
%a = alloca i8
call void (...)* @llvm.frameescape(i8* %a, i8* %b)
ret void
}
; CHECK: llvm.frameescape only accepts static allocas
define internal void @m() {
%a = alloca i8
call void (...)* @llvm.frameescape(i8* %a)
ret void
}
define internal void @n(i8* %fp) {
call i8* @llvm.framerecover(i8* bitcast(void ()* @m to i8*), i8* %fp, i32 1)
ret void
}
; CHECK: all indices passed to llvm.framerecover must be less than the number of arguments passed ot llvm.frameescape in the parent function