brintos

brintos / llvm-project-archived public Read only

0
0
Text · 2.4 KiB · 6a1443c Raw
80 lines · plain
1#RUN: not --crash llc -o - -global-isel -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s2# REQUIRES: aarch64-registered-target3--- |4  ; ModuleID = 'test.ll'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"8  9  define i32 @test_phi(i32 %argc) {10  entry:11    %cmp = icmp ugt i32 %argc, 012    br i1 %cmp, label %case1, label %case213  14  case1:                                            ; preds = %entry15    %tmp11 = add i32 %argc, 116    br label %return17  18  case2:                                            ; preds = %entry19    %tmp22 = add i32 %argc, 220    br label %return21  22  return:                                           ; preds = %case2, %case123    %res = phi i32 [ %tmp11, %case1 ], [ %tmp22, %case2 ]24    ret i32 %res25  }26 27...28---29name:            test_phi30legalized:       true31regBankSelected: false32selected:        false33tracksRegLiveness: true34registers:       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: '' }45liveins:         46body:             |47  bb.1.entry:48    successors: %bb.2.case1(0x40000000), %bb.3.case2(0x40000000)49    liveins: $w050    ; 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 types52  53    %0(s32) = COPY $w054    %1(s32) = G_CONSTANT i32 055    %3(s32) = G_CONSTANT i32 156    %5(s32) = G_CONSTANT i32 257    %8(s32) = G_ICMP intpred(ugt), %0(s32), %158    %2(s1) = G_TRUNC %8(s32)59    G_BRCOND %2(s1), %bb.2.case160    G_BR %bb.3.case261  62  bb.2.case1:63    successors: %bb.4.return(0x80000000)64  65    %4(s32) = G_ADD %0, %366    %9(s16) = G_TRUNC %4(s32)67    G_BR %bb.4.return68  69  bb.3.case2:70    successors: %bb.4.return(0x80000000)71  72    %6(s32) = G_ADD %0, %573  74  bb.4.return:75    %7(s32) = G_PHI %9(s16), %bb.2.case1, %6(s32), %bb.3.case276    $w0 = COPY %7(s32)77    RET_ReallyLR implicit $w078 79...80