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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