xref: /llvm-project/llvm/test/CodeGen/AArch64/copyprop.ll (revision db158c7c830807caeeb0691739c41f1d522029e9)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -O3 -mtriple=aarch64-- | FileCheck %s
3
4define void @copyprop_after_mbp(i32 %v, ptr %a, ptr %b, ptr %c, ptr %d) {
5; CHECK-LABEL: copyprop_after_mbp:
6; CHECK:       // %bb.0:
7; CHECK-NEXT:    cmp w0, #10
8; CHECK-NEXT:    b.ne .LBB0_2
9; CHECK-NEXT:  // %bb.1: // %bb.0
10; CHECK-NEXT:    mov w8, #15 // =0xf
11; CHECK-NEXT:    str w8, [x2]
12; CHECK-NEXT:    mov w8, #1 // =0x1
13; CHECK-NEXT:    str w8, [x1]
14; CHECK-NEXT:    mov w8, #12 // =0xc
15; CHECK-NEXT:    str w8, [x4]
16; CHECK-NEXT:    ret
17; CHECK-NEXT:  .LBB0_2: // %bb.1
18; CHECK-NEXT:    mov w9, #25 // =0x19
19; CHECK-NEXT:    str w9, [x3]
20; CHECK-NEXT:    str wzr, [x1]
21; CHECK-NEXT:    mov w8, #12 // =0xc
22; CHECK-NEXT:    str w8, [x4]
23; CHECK-NEXT:    ret
24  %1 = icmp eq i32 %v, 10
25  br i1 %1, label %bb.0, label %bb.1
26
27bb.0:
28  store i32 15, ptr %b, align 4
29  br label %bb.2
30
31bb.1:
32  store i32 25, ptr %c, align 4
33  br label %bb.2
34
35bb.2:
36  %2 = phi i32 [ 1, %bb.0 ], [ 0, %bb.1 ]
37  store i32 %2, ptr %a, align 4
38  store i32 12, ptr %d, align 4
39  ret void
40}
41