xref: /llvm-project/llvm/test/CodeGen/Mips/longbranch/long-branch-expansion-3.ll (revision 8663926a544602932d299dda435ed1ef70a05f48)
1; RUN: llc -O0 -mtriple=mips-img-linux-gnu -mcpu=mips32r2 -verify-machineinstrs < %s -o - | FileCheck %s --check-prefixes=CHECK32R2
2; RUN: llc -O0 -mtriple=mips-img-linux-gnu -mcpu=mips32r6 -verify-machineinstrs < %s -o - | FileCheck %s --check-prefixes=CHECK32R6
3; RUN: llc -O0 -mtriple=mips-img-linux-gnu -mcpu=mips32r2 -verify-machineinstrs -mattr=+use-indirect-jump-hazard < %s -o - | FileCheck %s --check-prefixes=CHECK32-IJH
4; RUN: llc -O0 -mtriple=mips-img-linux-gnu -mcpu=mips32r6 -verify-machineinstrs -mattr=+use-indirect-jump-hazard < %s -o - | FileCheck %s --check-prefixes=CHECK32-IJH
5
6; RUN: llc -O0 -mtriple=mips64-img-linux-gnu -mcpu=mips64r2 -verify-machineinstrs < %s -o - | FileCheck %s --check-prefixes=CHECK64R2
7; RUN: llc -O0 -mtriple=mips64-img-linux-gnu -mcpu=mips64r6 -verify-machineinstrs < %s -o - | FileCheck %s --check-prefixes=CHECK64R6
8; RUN: llc -O0 -mtriple=mips64-img-linux-gnu -mcpu=mips64r2 -verify-machineinstrs -mattr=+use-indirect-jump-hazard < %s -o - | FileCheck %s --check-prefixes=CHECK64-IJH
9; RUN: llc -O0 -mtriple=mips64-img-linux-gnu -mcpu=mips64r6 -verify-machineinstrs -mattr=+use-indirect-jump-hazard < %s -o - | FileCheck %s --check-prefixes=CHECK64-IJH
10
11declare i32 @foo(...)
12
13define i32 @boo3(i32 signext %argc) {
14; CHECK-LABEL: test_label_3:
15
16; CHECK32R2: lui $1, %hi($BB0_4)
17; CHECK32R2-NEXT: addiu $1, $1, %lo($BB0_4)
18; CHECK32R2-NEXT:  jr $1
19
20; CHECK32R6: lui $1, %hi($BB0_4)
21; CHECK32R6-NEXT: addiu $1, $1, %lo($BB0_4)
22; CHECK32R6-NEXT:  jrc $1
23
24; CHECK32-IJH: lui $1, %hi($BB0_4)
25; CHECK32-IJH-NEXT: addiu $1, $1, %lo($BB0_4)
26; CHECK32-IJH-NEXT:  jr.hb  $1
27
28; CHECK64R2: lui $1, %highest(.LBB0_4)
29; CHECK64R2-NEXT: daddiu $1, $1, %higher(.LBB0_4)
30; CHECK64R2-NEXT: dsll $1, $1, 16
31; CHECK64R2-NEXT: daddiu $1, $1, %hi(.LBB0_4)
32; CHECK64R2-NEXT: dsll $1, $1, 16
33; CHECK64R2-NEXT: daddiu $1, $1, %lo(.LBB0_4)
34; CHECK64R2-NEXT: jr $1
35
36; CHECK64R6: lui $1, %highest(.LBB0_4)
37; CHECK64R6-NEXT: daddiu $1, $1, %higher(.LBB0_4)
38; CHECK64R6-NEXT: dsll $1, $1, 16
39; CHECK64R6-NEXT: daddiu $1, $1, %hi(.LBB0_4)
40; CHECK64R6-NEXT: dsll $1, $1, 16
41; CHECK64R6-NEXT: daddiu $1, $1, %lo(.LBB0_4)
42; CHECK64R6-NEXT: jrc $1
43
44; CHECK64-IJH: lui $1, %highest(.LBB0_4)
45; CHECK64-IJH-NEXT: daddiu $1, $1, %higher(.LBB0_4)
46; CHECK64-IJH-NEXT: dsll $1, $1, 16
47; CHECK64-IJH-NEXT: daddiu $1, $1, %hi(.LBB0_4)
48; CHECK64-IJH-NEXT: dsll $1, $1, 16
49; CHECK64-IJH-NEXT: daddiu $1, $1, %lo(.LBB0_4)
50; CHECK64-IJH-NEXT:  jr.hb  $1
51
52entry:
53  %retval = alloca i32, align 4
54  %argc.addr = alloca i32, align 4
55  store i32 0, ptr %retval, align 4
56  store i32 %argc, ptr %argc.addr, align 4
57  call void asm sideeffect "test_label_3:", "~{$1}"()
58  %0 = load i32, ptr %argc.addr, align 4
59  %cmp = icmp sgt i32 %0, 1
60  br i1 %cmp, label %if.then, label %if.end
61
62if.then:
63  call void asm sideeffect ".space 268435452", "~{$1}"()
64  %call = call i32 @foo()
65  store i32 %call, ptr %retval, align 4
66  br label %return
67
68if.end:
69  store i32 0, ptr %retval, align 4
70  br label %return
71
72return:
73  %1 = load i32, ptr %retval, align 4
74  ret i32 %1
75}
76