llvm/test/CodeGen/X86/3addr-or.ll

28 lines
890 B
LLVM

; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
; rdar://7527734
define i32 @test(i32 %x) nounwind readnone ssp {
entry:
; CHECK: test:
; CHECK: leal 3(%rdi), %eax
%0 = shl i32 %x, 5 ; <i32> [#uses=1]
%1 = or i32 %0, 3 ; <i32> [#uses=1]
ret i32 %1
}
define i64 @test2(i8 %A, i8 %B) nounwind {
; CHECK: test2:
; CHECK: shrq $4
; CHECK-NOT: movq
; CHECK-NOT: orq
; CHECK: leaq
; CHECK: ret
%C = zext i8 %A to i64 ; <i64> [#uses=1]
%D = shl i64 %C, 4 ; <i64> [#uses=1]
%E = and i64 %D, 48 ; <i64> [#uses=1]
%F = zext i8 %B to i64 ; <i64> [#uses=1]
%G = lshr i64 %F, 4 ; <i64> [#uses=1]
%H = or i64 %G, %E ; <i64> [#uses=1]
ret i64 %H
}