llvm-6502/test/Assembler/uselistorder_bb.ll
Duncan P. N. Exon Smith 7838818ad7 IR: Implement uselistorder assembly directives
Implement `uselistorder` and `uselistorder_bb` assembly directives,
which allow the use-list order to be recovered when round-tripping to
assembly.

This is the bulk of PR20515.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216025 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-19 21:30:15 +00:00

43 lines
979 B
LLVM

; RUN: llvm-as < %s -disable-output 2>&1 | FileCheck %s -allow-empty
; CHECK-NOT: error
; CHECK-NOT: warning
; RUN: verify-uselistorder < %s
@ba1 = constant i8* blockaddress (@bafunc1, %bb)
@ba2 = constant i8* getelementptr (i8* blockaddress (@bafunc2, %bb), i61 0)
@ba3 = constant i8* getelementptr (i8* blockaddress (@bafunc2, %bb), i61 0)
define i8* @babefore() {
ret i8* getelementptr (i8* blockaddress (@bafunc2, %bb), i61 0)
bb1:
ret i8* blockaddress (@bafunc1, %bb)
bb2:
ret i8* blockaddress (@bafunc3, %bb)
}
define void @bafunc1() {
br label %bb
bb:
unreachable
}
define void @bafunc2() {
br label %bb
bb:
unreachable
}
define void @bafunc3() {
br label %bb
bb:
unreachable
}
define i8* @baafter() {
ret i8* blockaddress (@bafunc2, %bb)
bb1:
ret i8* blockaddress (@bafunc1, %bb)
bb2:
ret i8* blockaddress (@bafunc3, %bb)
}
uselistorder_bb @bafunc1, %bb, { 1, 0 }
uselistorder_bb @bafunc2, %bb, { 1, 0 }
uselistorder_bb @bafunc3, %bb, { 1, 0 }