xref: /llvm-project/llvm/test/CodeGen/X86/lea-4.ll (revision 8ae68f26489a2f9d9f7e33d77bf2cdd8a9d388cd)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-linux        | FileCheck %s
3; RUN: llc < %s -mtriple=x86_64-linux-gnux32 | FileCheck %s
4; RUN: llc < %s -mtriple=x86_64-nacl         | FileCheck %s
5
6define zeroext i16 @t1(i32 %on_off) nounwind {
7; CHECK-LABEL: t1:
8; CHECK:       # %bb.0:
9; CHECK-NEXT:    # kill: def $edi killed $edi def $rdi
10; CHECK-NEXT:    leal -2(%rdi,%rdi), %eax
11; CHECK-NEXT:    # kill: def $ax killed $ax killed $eax
12; CHECK-NEXT:    retq
13  %t0 = sub i32 %on_off, 1
14  %t1 = mul i32 %t0, 2
15  %t2 = trunc i32 %t1 to i16
16  %t3 = zext i16 %t2 to i32
17  %t4 = trunc i32 %t3 to i16
18  ret i16 %t4
19}
20
21define i32 @t2(i32 %on_off) nounwind {
22; CHECK-LABEL: t2:
23; CHECK:       # %bb.0:
24; CHECK-NEXT:    # kill: def $edi killed $edi def $rdi
25; CHECK-NEXT:    leal -2(%rdi,%rdi), %eax
26; CHECK-NEXT:    movzwl %ax, %eax
27; CHECK-NEXT:    retq
28  %t0 = sub i32 %on_off, 1
29  %t1 = mul i32 %t0, 2
30  %t2 = and i32 %t1, 65535
31  ret i32 %t2
32}
33