17 lines
390 B
LLVM
17 lines
390 B
LLVM
; RUN: llc < %s -O2 -march=x86-64 | FileCheck %s
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; Checks that a zeroing mov is inserted for the trunc/zext pair even when
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; the source of the zext is an AssertSext node
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; PR20494
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define i64 @main(i64 %a) {
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; CHECK-LABEL: main
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; CHECK: movl %e{{..}}, %eax
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; CHECK: ret
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%or = or i64 %a, -2
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%trunc = trunc i64 %or to i32
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br label %l
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l:
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%ext = zext i32 %trunc to i64
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ret i64 %ext
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}
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