xref: /llvm-project/llvm/test/CodeGen/X86/zext-trunc.ll (revision b2b1a8b833905e159fe445ba1d0baae427a118cc)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
3; RUN: llc < %s -mtriple=x86_64-unknown-unknown -early-live-intervals -verify-machineinstrs | FileCheck %s
4; rdar://7570931
5
6define i64 @foo(i64 %a, i64 %b) nounwind {
7; CHECK-LABEL: foo:
8; CHECK:       # %bb.0:
9; CHECK-NEXT:    leal (%rdi,%rsi), %eax
10; CHECK-NEXT:    retq
11  %c = add i64 %a, %b
12  %d = trunc i64 %c to i32
13  %e = zext i32 %d to i64
14  ret i64 %e
15}
16