xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/wide-compares.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=armv7-unknown-linux < %s | FileCheck --check-prefix=CHECK --check-prefix=CHECK-ARM %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=thumbv6-unknown-linux < %s | FileCheck --check-prefix=CHECK-THUMB1 %s
3*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=thumbv7-unknown-linux < %s | FileCheck --check-prefix=CHECK --check-prefix=CHECK-THUMB2 %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; CHECK-THUMB1-NOT: sbc
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_slt1:
8*9880d681SAndroid Build Coastguard Workerdefine i32 @test_slt1(i64 %a, i64 %b) {
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker  ; CHECK-ARM: subs {{[^,]+}}, r0, r2
11*9880d681SAndroid Build Coastguard Worker  ; CHECK-ARM: mov [[TMP:[0-9a-z]+]], #2
12*9880d681SAndroid Build Coastguard Worker  ; CHECK-ARM: sbcs {{[^,]+}}, r1, r3
13*9880d681SAndroid Build Coastguard Worker  ; CHECK-ARM: movwlt [[TMP]], #1
14*9880d681SAndroid Build Coastguard Worker  ; CHECK-ARM: mov r0, [[TMP]]
15*9880d681SAndroid Build Coastguard Worker  ; CHECK-ARM: bx lr
16*9880d681SAndroid Build Coastguard Worker  ; CHECK-THUMB2: subs {{[^,]+}}, r0, r2
17*9880d681SAndroid Build Coastguard Worker  ; CHECK-THUMB2: mov.w [[TMP:[0-9a-z]+]], #2
18*9880d681SAndroid Build Coastguard Worker  ; CHECK-THUMB2: sbcs.w {{[^,]+}}, r1, r3
19*9880d681SAndroid Build Coastguard Worker  ; CHECK-THUMB2: it lt
20*9880d681SAndroid Build Coastguard Worker  ; CHECK-THUMB2: movlt.w [[TMP]], #1
21*9880d681SAndroid Build Coastguard Worker  ; CHECK-THUMB2: mov r0, [[TMP]]
22*9880d681SAndroid Build Coastguard Worker  ; CHECK-THUMB2: bx lr
23*9880d681SAndroid Build Coastguard Worker  %cmp = icmp slt i64 %a, %b
24*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %bb1, label %bb2
25*9880d681SAndroid Build Coastguard Workerbb1:
26*9880d681SAndroid Build Coastguard Worker  ret i32 1
27*9880d681SAndroid Build Coastguard Workerbb2:
28*9880d681SAndroid Build Coastguard Worker  ret i32 2
29*9880d681SAndroid Build Coastguard Worker}
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_slt2:
32*9880d681SAndroid Build Coastguard Workerdefine void @test_slt2(i64 %a, i64 %b) {
33*9880d681SAndroid Build Coastguard Workerentry:
34*9880d681SAndroid Build Coastguard Worker  %cmp = icmp slt i64 %a, %b
35*9880d681SAndroid Build Coastguard Worker  ; CHECK-ARM: subs {{[^,]+}}, r0, r2
36*9880d681SAndroid Build Coastguard Worker  ; CHECK-ARM: sbcs {{[^,]+}}, r1, r3
37*9880d681SAndroid Build Coastguard Worker  ; CHECK-THUMB2: subs {{[^,]+}}, r0, r2
38*9880d681SAndroid Build Coastguard Worker  ; CHECK-THUMB2: sbcs.w {{[^,]+}}, r1, r3
39*9880d681SAndroid Build Coastguard Worker  ; CHECK: bge [[BB2:\.[0-9A-Za-z_]+]]
40*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %bb1, label %bb2
41*9880d681SAndroid Build Coastguard Workerbb1:
42*9880d681SAndroid Build Coastguard Worker  call void @f()
43*9880d681SAndroid Build Coastguard Worker  ret void
44*9880d681SAndroid Build Coastguard Workerbb2:
45*9880d681SAndroid Build Coastguard Worker  ; CHECK: [[BB2]]:
46*9880d681SAndroid Build Coastguard Worker  ; CHECK-NEXT: bl g
47*9880d681SAndroid Build Coastguard Worker  call void @g()
48*9880d681SAndroid Build Coastguard Worker  ret void
49*9880d681SAndroid Build Coastguard Worker}
50*9880d681SAndroid Build Coastguard Worker
51*9880d681SAndroid Build Coastguard Workerdeclare void @f()
52*9880d681SAndroid Build Coastguard Workerdeclare void @g()
53