1*9880d681SAndroid Build Coastguard Worker; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2*9880d681SAndroid Build Coastguard Worker; RUN: llc -verify-machineinstrs -fixup-byte-word-insts=1 -mtriple=x86_64-- < %s | FileCheck --check-prefix=X64 --check-prefix=BWON64 %s 3*9880d681SAndroid Build Coastguard Worker; RUN: llc -verify-machineinstrs -fixup-byte-word-insts=0 -mtriple=x86_64-- < %s | FileCheck --check-prefix=X64 --check-prefix=BWOFF64 %s 4*9880d681SAndroid Build Coastguard Worker; RUN: llc -verify-machineinstrs -fixup-byte-word-insts=1 -mtriple=i386-- < %s | FileCheck --check-prefix=X32 --check-prefix=BWON32 %s 5*9880d681SAndroid Build Coastguard Worker; RUN: llc -verify-machineinstrs -fixup-byte-word-insts=0 -mtriple=i386-- < %s | FileCheck --check-prefix=X32 --check-prefix=BWOFF32 %s 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128" 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerdefine i8 @test_movb(i8 %a0) { 10*9880d681SAndroid Build Coastguard Worker; BWON64-LABEL: test_movb: 11*9880d681SAndroid Build Coastguard Worker; BWON64: # BB#0: 12*9880d681SAndroid Build Coastguard Worker; BWON64-NEXT: movl %edi, %eax 13*9880d681SAndroid Build Coastguard Worker; BWON64-NEXT: retq 14*9880d681SAndroid Build Coastguard Worker; 15*9880d681SAndroid Build Coastguard Worker; BWOFF64-LABEL: test_movb: 16*9880d681SAndroid Build Coastguard Worker; BWOFF64: # BB#0: 17*9880d681SAndroid Build Coastguard Worker; BWOFF64-NEXT: movb %dil, %al 18*9880d681SAndroid Build Coastguard Worker; BWOFF64-NEXT: retq 19*9880d681SAndroid Build Coastguard Worker; 20*9880d681SAndroid Build Coastguard Worker; X32-LABEL: test_movb: 21*9880d681SAndroid Build Coastguard Worker; X32: # BB#0: 22*9880d681SAndroid Build Coastguard Worker; X32-NEXT: movb {{[0-9]+}}(%esp), %al 23*9880d681SAndroid Build Coastguard Worker; X32-NEXT: retl 24*9880d681SAndroid Build Coastguard Worker ret i8 %a0 25*9880d681SAndroid Build Coastguard Worker} 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Workerdefine i16 @test_movw(i16 %a0) { 28*9880d681SAndroid Build Coastguard Worker; BWON64-LABEL: test_movw: 29*9880d681SAndroid Build Coastguard Worker; BWON64: # BB#0: 30*9880d681SAndroid Build Coastguard Worker; BWON64-NEXT: movl %edi, %eax 31*9880d681SAndroid Build Coastguard Worker; BWON64-NEXT: retq 32*9880d681SAndroid Build Coastguard Worker; 33*9880d681SAndroid Build Coastguard Worker; BWOFF64-LABEL: test_movw: 34*9880d681SAndroid Build Coastguard Worker; BWOFF64: # BB#0: 35*9880d681SAndroid Build Coastguard Worker; BWOFF64-NEXT: movw %di, %ax 36*9880d681SAndroid Build Coastguard Worker; BWOFF64-NEXT: retq 37*9880d681SAndroid Build Coastguard Worker; 38*9880d681SAndroid Build Coastguard Worker; BWON32-LABEL: test_movw: 39*9880d681SAndroid Build Coastguard Worker; BWON32: # BB#0: 40*9880d681SAndroid Build Coastguard Worker; BWON32-NEXT: movzwl {{[0-9]+}}(%esp), %eax 41*9880d681SAndroid Build Coastguard Worker; BWON32-NEXT: retl 42*9880d681SAndroid Build Coastguard Worker; 43*9880d681SAndroid Build Coastguard Worker; BWOFF32-LABEL: test_movw: 44*9880d681SAndroid Build Coastguard Worker; BWOFF32: # BB#0: 45*9880d681SAndroid Build Coastguard Worker; BWOFF32-NEXT: movw {{[0-9]+}}(%esp), %ax 46*9880d681SAndroid Build Coastguard Worker; BWOFF32-NEXT: retl 47*9880d681SAndroid Build Coastguard Worker ret i16 %a0 48*9880d681SAndroid Build Coastguard Worker} 49*9880d681SAndroid Build Coastguard Worker 50*9880d681SAndroid Build Coastguard Worker; Verify we don't mess with H-reg copies (only generated in 32-bit mode). 51*9880d681SAndroid Build Coastguard Workerdefine i8 @test_movb_hreg(i16 %a0) { 52*9880d681SAndroid Build Coastguard Worker; X64-LABEL: test_movb_hreg: 53*9880d681SAndroid Build Coastguard Worker; X64: # BB#0: 54*9880d681SAndroid Build Coastguard Worker; X64-NEXT: movl %edi, %eax 55*9880d681SAndroid Build Coastguard Worker; X64-NEXT: shrl $8, %eax 56*9880d681SAndroid Build Coastguard Worker; X64-NEXT: addb %dil, %al 57*9880d681SAndroid Build Coastguard Worker; X64-NEXT: # kill: %AL<def> %AL<kill> %EAX<kill> 58*9880d681SAndroid Build Coastguard Worker; X64-NEXT: retq 59*9880d681SAndroid Build Coastguard Worker; 60*9880d681SAndroid Build Coastguard Worker; X32-LABEL: test_movb_hreg: 61*9880d681SAndroid Build Coastguard Worker; X32: # BB#0: 62*9880d681SAndroid Build Coastguard Worker; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax 63*9880d681SAndroid Build Coastguard Worker; X32-NEXT: addb %al, %ah 64*9880d681SAndroid Build Coastguard Worker; X32-NEXT: movb %ah, %al 65*9880d681SAndroid Build Coastguard Worker; X32-NEXT: retl 66*9880d681SAndroid Build Coastguard Worker %tmp0 = trunc i16 %a0 to i8 67*9880d681SAndroid Build Coastguard Worker %tmp1 = lshr i16 %a0, 8 68*9880d681SAndroid Build Coastguard Worker %tmp2 = trunc i16 %tmp1 to i8 69*9880d681SAndroid Build Coastguard Worker %tmp3 = add i8 %tmp0, %tmp2 70*9880d681SAndroid Build Coastguard Worker ret i8 %tmp3 71*9880d681SAndroid Build Coastguard Worker} 72