28 lines
681 B
LLVM
28 lines
681 B
LLVM
; RUN: llc < %s -march=avr | FileCheck %s
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; Test case for an assertion error.
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;
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; Error:
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; ```
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; Impossible reg-to-reg copy
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; UNREACHABLE executed at lib/Target/AVR/AVRInstrInfo.cpp
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; ```
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;
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; This no longer occurs.
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declare { i16, i1 } @llvm.umul.with.overflow.i16(i16, i16)
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; CHECK-LABEL: foo
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define void @foo() {
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entry-block:
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%0 = call { i16, i1 } @llvm.umul.with.overflow.i16(i16 undef, i16 undef)
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%1 = extractvalue { i16, i1 } %0, 1
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%2 = icmp eq i1 %1, true
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br i1 %2, label %cond, label %next
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next: ; preds = %entry-block
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ret void
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cond: ; preds = %entry-block
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unreachable
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}
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