1 #RUN: not llc -o - -global-isel -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s
2 # REQUIRES: global-isel, aarch64-registered-target
5 source_filename = "test.ll"
6 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
7 target triple = "aarch64-unknown-unknown"
9 define i32 @test_phi(i32 %argc) {
11 %cmp = icmp ugt i32 %argc, 0
12 br i1 %cmp, label %case1, label %case2
14 case1: ; preds = %entry
15 %tmp11 = add i32 %argc, 1
18 case2: ; preds = %entry
19 %tmp22 = add i32 %argc, 2
22 return: ; preds = %case2, %case1
23 %res = phi i32 [ %tmp11, %case1 ], [ %tmp22, %case2 ]
31 regBankSelected: false
33 tracksRegLiveness: true
35 - { id: 0, class: _, preferred-register: '' }
36 - { id: 1, class: _, preferred-register: '' }
37 - { id: 2, class: _, preferred-register: '' }
38 - { id: 3, class: _, preferred-register: '' }
39 - { id: 4, class: _, preferred-register: '' }
40 - { id: 5, class: _, preferred-register: '' }
41 - { id: 6, class: _, preferred-register: '' }
42 - { id: 7, class: _, preferred-register: '' }
43 - { id: 8, class: _, preferred-register: '' }
44 - { id: 9, class: _, preferred-register: '' }
48 successors: %bb.2.case1(0x40000000), %bb.3.case2(0x40000000)
50 ; This test makes sure that the Verifier catches G_PHI with mismatching types.
51 ; CHECK: Bad machine code: Generic Instruction G_PHI has operands with incompatible/missing types
54 %1(s32) = G_CONSTANT i32 0
55 %3(s32) = G_CONSTANT i32 1
56 %5(s32) = G_CONSTANT i32 2
57 %8(s32) = G_ICMP intpred(ugt), %0(s32), %1
58 %2(s1) = G_TRUNC %8(s32)
59 G_BRCOND %2(s1), %bb.2.case1
63 successors: %bb.4.return(0x80000000)
65 %4(s32) = G_ADD %0, %3
66 %9(s16) = G_TRUNC %4(s32)
70 successors: %bb.4.return(0x80000000)
72 %6(s32) = G_ADD %0, %5
75 %7(s32) = G_PHI %9(s16), %bb.2.case1, %6(s32), %bb.3.case2
77 RET_ReallyLR implicit $w0