llvm-project/llvm/test/CodeGen/X86/and-encoding.ll

42 lines
983 B
LLVM

; RUN: llc -show-mc-encoding < %s | FileCheck %s
; Test that the direct object emission selects the and variant with 8 bit
; immediate.
; We used to get this wrong when using direct object emission, but not when
; reading assembly.
target triple = "x86_64-pc-linux"
define void @f1() {
; CHECK-LABEL: f1:
; CHECK: andq $-32, %rsp # encoding: [0x48,0x83,0xe4,0xe0]
%foo = alloca i8, align 32
ret void
}
define void @f2(i1 *%x, i16 *%y) {
; CHECK-LABEL: f2:
; CHECK: andl $1, %eax # encoding: [0x83,0xe0,0x01]
%a = load i1, i1* %x
%b = zext i1 %a to i16
store i16 %b, i16* %y
ret void
}
define i32 @f3(i1 *%x) {
; CHECK-LABEL: f3:
; CHECK: andl $1, %eax # encoding: [0x83,0xe0,0x01]
%a = load i1, i1* %x
%b = zext i1 %a to i32
ret i32 %b
}
define i64 @f4(i1 *%x) {
; CHECK-LABEL: f4:
; CHECK: andl $1, %eax # encoding: [0x83,0xe0,0x01]
%a = load i1, i1* %x
%b = zext i1 %a to i64
ret i64 %b
}