llvm-project/llvm/test/CodeGen/X86/andimm8.ll

32 lines
821 B
LLVM

; RUN: llc < %s -march=x86-64 -mtriple=x86_64-pc-linux-gnu -show-mc-encoding | FileCheck %s
; PR8365
; CHECK: andl $-64, %edi # encoding: [0x83,0xe7,0xc0]
define i64 @bra(i32 %zed) nounwind {
%t1 = zext i32 %zed to i64
%t2 = and i64 %t1, 4294967232
ret i64 %t2
}
; CHECK: orq $2, %rdi # encoding: [0x48,0x83,0xcf,0x02]
define void @foo(i64 %zed, i64* %x) nounwind {
%t1 = and i64 %zed, -4
%t2 = or i64 %t1, 2
store i64 %t2, i64* %x, align 8
ret void
}
define i64 @bar(i64 %zed) nounwind {
; CHECK: andl $42, %edi # encoding: [0x83,0xe7,0x2a]
%t1 = and i64 %zed, 42
ret i64 %t1
}
define i64 @baz(i64 %zed) nounwind {
; CHECK: andl $2147483647, %edi # encoding: [0x81,0xe7,0xff,0xff,0xff,0x7f]
%t1 = and i64 %zed, 2147483647
ret i64 %t1
}