forked from OSchip/llvm-project
31 lines
865 B
YAML
31 lines
865 B
YAML
# RUN: llc -O0 -run-pass=legalizer -global-isel -global-isel-abort=0 -pass-remarks-missed='gisel*' %s -o - 2>&1 | FileCheck %s
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--- |
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64--"
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define void @test_merge_s4() {
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ret void
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}
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...
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---
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name: test_merge_s4
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registers:
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- { id: 0, class: _ }
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- { id: 1, class: _ }
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- { id: 2, class: _ }
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- { id: 3, class: _ }
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- { id: 4, class: _ }
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body: |
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bb.0:
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%0(s64) = G_CONSTANT i64 0
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%1(s4) = G_TRUNC %0(s64)
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; Previously, LegalizerInfo was assuming all G_MERGE_VALUES and G_UNMERGE_VALUES
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; instructions are legal. Make sure that is no longer happening.
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; CHECK: unable to legalize instruction: {{.*}} G_MERGE_VALUES
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%2(s8) = G_MERGE_VALUES %1(s4), %1(s4)
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%3(s8) = COPY %2(s8)
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%4(s64) = G_ANYEXT %3(s8)
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$x0 = COPY %4(s64)
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...
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