llvm-project

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#RUN: not --crash llc -o - -mtriple=arm64 -global-isel -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s
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# REQUIRES: aarch64-registered-target
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---
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name:            test_icmp
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legalized:       true
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regBankSelected: false
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selected:        false
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tracksRegLiveness: true
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liveins:
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body:             |
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  bb.0:
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    %0:_(s32) = G_CONSTANT i32 0
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    %1:_(s32) = G_CONSTANT i32 1
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   ; Vector result, scalar source
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   ; CHECK: Bad machine code: Generic vector icmp/fcmp must preserve number of lanes
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    %2:_(<2 x s1>) = G_ICMP intpred(eq), %0, %1
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    ; Scalar result, vector source
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    ; CHECK: Bad machine code: Generic vector icmp/fcmp must preserve number of lanes
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    %3:_(<2 x s32>) = G_IMPLICIT_DEF
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    %4:_(<2 x s32>) = G_IMPLICIT_DEF
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    %5:_(s1) = G_ICMP intpred(eq), %3, %4
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    ; mismatched fixed element count
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    ; CHECK: Bad machine code: Generic vector icmp/fcmp must preserve number of
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    %6:_(<2 x s32>) = G_IMPLICIT_DEF
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    %7:_(<2 x s32>) = G_IMPLICIT_DEF
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    %8:_(<4 x s1>) = G_ICMP intpred(eq), %6, %7
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    ; mismatched scalable element count
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    ; CHECK: Bad machine code: Generic vector icmp/fcmp must preserve number of
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    %9:_(<vscale x 2 x s32>) = G_IMPLICIT_DEF
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    %10:_(<vscale x 2 x s32>) = G_IMPLICIT_DEF
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    %11:_(<vscale x 4 x s1>) = G_ICMP intpred(eq), %9, %10
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    ; mismatched scalar element type
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    ; CHECK: *** Bad machine code: Type mismatch in generic instruction ***
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    %12:_(s32) = G_CONSTANT i32 0
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    %13:_(s64) = G_CONSTANT i32 1
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    %14:_(s1) = G_ICMP intpred(eq), %12, %13
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...
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