xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/2009-03-13-PHIElimBug.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i686-linux | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; Check the register copy comes after the call to f and before the call to g
3*9880d681SAndroid Build Coastguard Worker; PR3784
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdeclare i32 @f()
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdeclare i32 @g()
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerdefine i32 @phi() personality i32 (...)* @__gxx_personality_v0 {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker	%a = call i32 @f()		; <i32> [#uses=1]
12*9880d681SAndroid Build Coastguard Worker	%b = invoke i32 @g()
13*9880d681SAndroid Build Coastguard Worker			to label %cont unwind label %lpad		; <i32> [#uses=1]
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workercont:		; preds = %entry
16*9880d681SAndroid Build Coastguard Worker	%x = phi i32 [ %b, %entry ]		; <i32> [#uses=0]
17*9880d681SAndroid Build Coastguard Worker	%aa = call i32 @g()		; <i32> [#uses=1]
18*9880d681SAndroid Build Coastguard Worker	%bb = invoke i32 @g()
19*9880d681SAndroid Build Coastguard Worker			to label %cont2 unwind label %lpad		; <i32> [#uses=1]
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workercont2:		; preds = %cont
22*9880d681SAndroid Build Coastguard Worker	%xx = phi i32 [ %bb, %cont ]		; <i32> [#uses=1]
23*9880d681SAndroid Build Coastguard Worker	ret i32 %xx
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Workerlpad:		; preds = %cont, %entry
26*9880d681SAndroid Build Coastguard Worker	%y = phi i32 [ %a, %entry ], [ %aa, %cont ]		; <i32> [#uses=1]
27*9880d681SAndroid Build Coastguard Worker        %exn = landingpad {i8*, i32}
28*9880d681SAndroid Build Coastguard Worker                 cleanup
29*9880d681SAndroid Build Coastguard Worker	ret i32 %y
30*9880d681SAndroid Build Coastguard Worker}
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Worker; CHECK: call{{.*}}f
33*9880d681SAndroid Build Coastguard Worker; CHECK: movl %eax, %esi
34*9880d681SAndroid Build Coastguard Worker; CHECK: call{{.*}}g
35*9880d681SAndroid Build Coastguard Worker
36*9880d681SAndroid Build Coastguard Workerdeclare i32 @__gxx_personality_v0(...)
37