xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/2010-03-05-EFLAGS-Redef.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -verify-machineinstrs
2*9880d681SAndroid Build Coastguard Worker;
3*9880d681SAndroid Build Coastguard Worker; This test case is transformed into a single basic block by the machine
4*9880d681SAndroid Build Coastguard Worker; branch folding pass. That makes a complete mess of the %EFLAGS liveness, but
5*9880d681SAndroid Build Coastguard Worker; we don't care about liveness this late anyway.
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
8*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-apple-darwin10.2"
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine i32 @main(i32 %argc, i8** nocapture %argv) ssp {
11*9880d681SAndroid Build Coastguard Workerentry:
12*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb, label %bb2
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerbb:                                               ; preds = %entry
15*9880d681SAndroid Build Coastguard Worker  br label %bb2
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerbb2:                                              ; preds = %bb, %entry
18*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb3, label %bb5
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerbb3:                                              ; preds = %bb2
21*9880d681SAndroid Build Coastguard Worker  br label %bb5
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerbb5:                                              ; preds = %bb3, %bb2
24*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb.nph239, label %bb8
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Workerbb.nph239:                                        ; preds = %bb5
27*9880d681SAndroid Build Coastguard Worker  unreachable
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Workerbb8:                                              ; preds = %bb5
30*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb.nph237, label %bb47
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Workerbb.nph237:                                        ; preds = %bb8
33*9880d681SAndroid Build Coastguard Worker  unreachable
34*9880d681SAndroid Build Coastguard Worker
35*9880d681SAndroid Build Coastguard Workerbb47:                                             ; preds = %bb8
36*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb49, label %bb48
37*9880d681SAndroid Build Coastguard Worker
38*9880d681SAndroid Build Coastguard Workerbb48:                                             ; preds = %bb47
39*9880d681SAndroid Build Coastguard Worker  unreachable
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Workerbb49:                                             ; preds = %bb47
42*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb51, label %bb50
43*9880d681SAndroid Build Coastguard Worker
44*9880d681SAndroid Build Coastguard Workerbb50:                                             ; preds = %bb49
45*9880d681SAndroid Build Coastguard Worker  ret i32 0
46*9880d681SAndroid Build Coastguard Worker
47*9880d681SAndroid Build Coastguard Workerbb51:                                             ; preds = %bb49
48*9880d681SAndroid Build Coastguard Worker  ret i32 0
49*9880d681SAndroid Build Coastguard Worker}
50