1 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s 2 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -verify-machineinstrs | FileCheck %s 3 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s 4 5 ; Sign-extend of i1 currently not supported by fast-isel 6 ;define signext i1 @ret0(i1 signext %a) nounwind uwtable ssp { 7 ;entry: 8 ; ret i1 %a 9 ;} 10 11 define zeroext i1 @ret1(i1 signext %a) nounwind uwtable ssp { 12 entry: 13 ; CHECK: ret1 14 ; CHECK: and r0, r0, #1 15 ; CHECK: bx lr 16 ret i1 %a 17 } 18 19 define signext i8 @ret2(i8 signext %a) nounwind uwtable ssp { 20 entry: 21 ; CHECK: ret2 22 ; CHECK: sxtb r0, r0 23 ; CHECK: bx lr 24 ret i8 %a 25 } 26 27 define zeroext i8 @ret3(i8 signext %a) nounwind uwtable ssp { 28 entry: 29 ; CHECK: ret3 30 ; CHECK: and r0, r0, #255 31 ; CHECK: bx lr 32 ret i8 %a 33 } 34 35 define signext i16 @ret4(i16 signext %a) nounwind uwtable ssp { 36 entry: 37 ; CHECK: ret4 38 ; CHECK: sxth r0, r0 39 ; CHECK: bx lr 40 ret i16 %a 41 } 42 43 define zeroext i16 @ret5(i16 signext %a) nounwind uwtable ssp { 44 entry: 45 ; CHECK: ret5 46 ; CHECK: uxth r0, r0 47 ; CHECK: bx lr 48 ret i16 %a 49 } 50 51 define i16 @ret6(i16 %a) nounwind uwtable ssp { 52 entry: 53 ; CHECK: ret6 54 ; CHECK-NOT: uxth 55 ; CHECK-NOT: sxth 56 ; CHECK: bx lr 57 ret i16 %a 58 } 59
