xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/bx_fold.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=armv5t-apple-darwin | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine void @test(i32 %Ptr, i8* %L) {
4*9880d681SAndroid Build Coastguard Workerentry:
5*9880d681SAndroid Build Coastguard Worker	br label %bb1
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerbb:		; preds = %bb1
8*9880d681SAndroid Build Coastguard Worker	%gep.upgrd.1 = zext i32 %indvar to i64		; <i64> [#uses=1]
9*9880d681SAndroid Build Coastguard Worker	%tmp7 = getelementptr i8, i8* %L, i64 %gep.upgrd.1		; <i8*> [#uses=1]
10*9880d681SAndroid Build Coastguard Worker	store i8 0, i8* %tmp7
11*9880d681SAndroid Build Coastguard Worker	%indvar.next = add i32 %indvar, 1		; <i32> [#uses=1]
12*9880d681SAndroid Build Coastguard Worker	br label %bb1
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerbb1:		; preds = %bb, %entry
15*9880d681SAndroid Build Coastguard Worker	%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ]		; <i32> [#uses=3]
16*9880d681SAndroid Build Coastguard Worker	%i.0 = bitcast i32 %indvar to i32		; <i32> [#uses=2]
17*9880d681SAndroid Build Coastguard Worker	%tmp = tail call i32 (...) @bar( )		; <i32> [#uses=1]
18*9880d681SAndroid Build Coastguard Worker	%tmp2 = add i32 %i.0, %tmp		; <i32> [#uses=1]
19*9880d681SAndroid Build Coastguard Worker	%Ptr_addr.0 = sub i32 %Ptr, %tmp2		; <i32> [#uses=0]
20*9880d681SAndroid Build Coastguard Worker	%tmp12 = icmp eq i32 %i.0, %Ptr		; <i1> [#uses=1]
21*9880d681SAndroid Build Coastguard Worker	%tmp12.not = xor i1 %tmp12, true		; <i1> [#uses=1]
22*9880d681SAndroid Build Coastguard Worker	%bothcond = and i1 %tmp12.not, false		; <i1> [#uses=1]
23*9880d681SAndroid Build Coastguard Worker	br i1 %bothcond, label %bb, label %bb18
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Workerbb18:		; preds = %bb1
26*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: bx
27*9880d681SAndroid Build Coastguard Worker; CHECK: pop
28*9880d681SAndroid Build Coastguard Worker	ret void
29*9880d681SAndroid Build Coastguard Worker}
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workerdeclare i32 @bar(...)
32