xref: /aosp_15_r20/external/llvm/test/Transforms/SimplifyCFG/2006-10-19-UncondDiv.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; PR957
2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -simplifycfg -S | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: select
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker@G = extern_weak global i32
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine i32 @test(i32 %tmp) {
9*9880d681SAndroid Build Coastguard Workercond_false179:
10*9880d681SAndroid Build Coastguard Worker	%tmp181 = icmp eq i32 %tmp, 0		; <i1> [#uses=1]
11*9880d681SAndroid Build Coastguard Worker	br i1 %tmp181, label %cond_true182, label %cond_next185
12*9880d681SAndroid Build Coastguard Workercond_true182:		; preds = %cond_false179
13*9880d681SAndroid Build Coastguard Worker	br label %cond_next185
14*9880d681SAndroid Build Coastguard Workercond_next185:		; preds = %cond_true182, %cond_false179
15*9880d681SAndroid Build Coastguard Worker	%d0.3 = phi i32 [ udiv (i32 1, i32 ptrtoint (i32* @G to i32)), %cond_true182 ], [ %tmp, %cond_false179 ]		; <i32> [#uses=1]
16*9880d681SAndroid Build Coastguard Worker	ret i32 %d0.3
17*9880d681SAndroid Build Coastguard Worker}
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workerdefine i32 @test2(i32 %tmp) {
20*9880d681SAndroid Build Coastguard Workercond_false179:
21*9880d681SAndroid Build Coastguard Worker	%tmp181 = icmp eq i32 %tmp, 0		; <i1> [#uses=1]
22*9880d681SAndroid Build Coastguard Worker	br i1 %tmp181, label %cond_true182, label %cond_next185
23*9880d681SAndroid Build Coastguard Workercond_true182:		; preds = %cond_false179
24*9880d681SAndroid Build Coastguard Worker	br label %cond_next185
25*9880d681SAndroid Build Coastguard Workercond_next185:		; preds = %cond_true182, %cond_false179
26*9880d681SAndroid Build Coastguard Worker	%d0.3 = phi i32 [ udiv (i32 1, i32 ptrtoint (i32* @G to i32)), %cond_true182 ], [ %tmp, %cond_false179 ]		; <i32> [#uses=1]
27*9880d681SAndroid Build Coastguard Worker	call i32 @test( i32 4 )		; <i32>:0 [#uses=0]
28*9880d681SAndroid Build Coastguard Worker	ret i32 %d0.3
29*9880d681SAndroid Build Coastguard Worker}
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