xref: /aosp_15_r20/external/llvm/test/CodeGen/Mips/disable-tail-merge.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mipsel < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker@g0 = common global i32 0, align 4
4*9880d681SAndroid Build Coastguard Worker@g1 = common global i32 0, align 4
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; CHECK: addiu ${{[0-9]+}}, ${{[0-9]+}}, 23
7*9880d681SAndroid Build Coastguard Worker; CHECK: addiu ${{[0-9]+}}, ${{[0-9]+}}, 23
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerdefine i32 @test1(i32 %a) {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker  %tobool = icmp eq i32 %a, 0
12*9880d681SAndroid Build Coastguard Worker  %0 = load i32, i32* @g0, align 4
13*9880d681SAndroid Build Coastguard Worker  br i1 %tobool, label %if.else, label %if.then
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerif.then:
16*9880d681SAndroid Build Coastguard Worker  %add = add nsw i32 %0, 1
17*9880d681SAndroid Build Coastguard Worker  store i32 %add, i32* @g0, align 4
18*9880d681SAndroid Build Coastguard Worker  %1 = load i32, i32* @g1, align 4
19*9880d681SAndroid Build Coastguard Worker  %add1 = add nsw i32 %1, 23
20*9880d681SAndroid Build Coastguard Worker  br label %if.end
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Workerif.else:
23*9880d681SAndroid Build Coastguard Worker  %add2 = add nsw i32 %0, 11
24*9880d681SAndroid Build Coastguard Worker  store i32 %add2, i32* @g0, align 4
25*9880d681SAndroid Build Coastguard Worker  %2 = load i32, i32* @g1, align 4
26*9880d681SAndroid Build Coastguard Worker  %add3 = add nsw i32 %2, 23
27*9880d681SAndroid Build Coastguard Worker  br label %if.end
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Workerif.end:
30*9880d681SAndroid Build Coastguard Worker  %storemerge = phi i32 [ %add3, %if.else ], [ %add1, %if.then ]
31*9880d681SAndroid Build Coastguard Worker  store i32 %storemerge, i32* @g1, align 4
32*9880d681SAndroid Build Coastguard Worker  ret i32 %storemerge
33*9880d681SAndroid Build Coastguard Worker}
34