1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-30 23:42:52 +01:00
llvm-mirror/test/CodeGen/X86/anyext.ll
Bill Wendling 0b9c16295a As Dan pointed out, movzbl, movsbl, and friends are nicer than their alias
(movzx/movsx) because they give more information. Revert that part of the patch.

llvm-svn: 129498
2011-04-14 01:46:37 +00:00

19 lines
426 B
LLVM

; RUN: llc < %s -march=x86-64 | grep movzbl | count 2
; Use movzbl to avoid partial-register updates.
define i32 @foo(i32 %p, i8 zeroext %x) nounwind {
%q = trunc i32 %p to i8
%r = udiv i8 %q, %x
%s = zext i8 %r to i32
%t = and i32 %s, 1
ret i32 %t
}
define i32 @bar(i32 %p, i16 zeroext %x) nounwind {
%q = trunc i32 %p to i16
%r = udiv i16 %q, %x
%s = zext i16 %r to i32
%t = and i32 %s, 1
ret i32 %t
}