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56ea569496
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. llvm-svn: 216025
43 lines
979 B
LLVM
43 lines
979 B
LLVM
; RUN: llvm-as < %s -disable-output 2>&1 | FileCheck %s -allow-empty
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; CHECK-NOT: error
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; CHECK-NOT: warning
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; RUN: verify-uselistorder < %s
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@ba1 = constant i8* blockaddress (@bafunc1, %bb)
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@ba2 = constant i8* getelementptr (i8* blockaddress (@bafunc2, %bb), i61 0)
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@ba3 = constant i8* getelementptr (i8* blockaddress (@bafunc2, %bb), i61 0)
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define i8* @babefore() {
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ret i8* getelementptr (i8* blockaddress (@bafunc2, %bb), i61 0)
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bb1:
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ret i8* blockaddress (@bafunc1, %bb)
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bb2:
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ret i8* blockaddress (@bafunc3, %bb)
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}
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define void @bafunc1() {
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br label %bb
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bb:
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unreachable
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}
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define void @bafunc2() {
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br label %bb
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bb:
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unreachable
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}
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define void @bafunc3() {
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br label %bb
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bb:
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unreachable
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}
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define i8* @baafter() {
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ret i8* blockaddress (@bafunc2, %bb)
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bb1:
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ret i8* blockaddress (@bafunc1, %bb)
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bb2:
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ret i8* blockaddress (@bafunc3, %bb)
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}
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uselistorder_bb @bafunc1, %bb, { 1, 0 }
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uselistorder_bb @bafunc2, %bb, { 1, 0 }
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uselistorder_bb @bafunc3, %bb, { 1, 0 }
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