forked from OSchip/llvm-project
18 lines
474 B
LLVM
18 lines
474 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
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; Do eliminate the zero-extension instruction and rely on
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; x86-64's implicit zero-extension!
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define i64 @foo(i32* %p) nounwind {
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; CHECK-LABEL: foo:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl (%rdi), %eax
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; CHECK-NEXT: incl %eax
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; CHECK-NEXT: retq
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%t = load i32, i32* %p
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%n = add i32 %t, 1
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%z = zext i32 %n to i64
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ret i64 %z
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}
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