1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+t2xtpk %s -o - \ 2*9880d681SAndroid Build Coastguard Worker; RUN: | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Workerdefine i32 @test0(i8 %A) { 5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test0: 6*9880d681SAndroid Build Coastguard Worker; CHECK: sxtb r0, r0 7*9880d681SAndroid Build Coastguard Worker %B = sext i8 %A to i32 8*9880d681SAndroid Build Coastguard Worker ret i32 %B 9*9880d681SAndroid Build Coastguard Worker} 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdefine signext i8 @test1(i32 %A) { 12*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test1: 13*9880d681SAndroid Build Coastguard Worker; CHECK: sbfx r0, r0, #8, #8 14*9880d681SAndroid Build Coastguard Worker %B = lshr i32 %A, 8 15*9880d681SAndroid Build Coastguard Worker %C = shl i32 %A, 24 16*9880d681SAndroid Build Coastguard Worker %D = or i32 %B, %C 17*9880d681SAndroid Build Coastguard Worker %E = trunc i32 %D to i8 18*9880d681SAndroid Build Coastguard Worker ret i8 %E 19*9880d681SAndroid Build Coastguard Worker} 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Workerdefine signext i32 @test2(i32 %A, i32 %X) { 22*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test2: 23*9880d681SAndroid Build Coastguard Worker; CHECK: sxtab r0, r1, r0, ror #8 24*9880d681SAndroid Build Coastguard Worker %B = lshr i32 %A, 8 25*9880d681SAndroid Build Coastguard Worker %C = shl i32 %A, 24 26*9880d681SAndroid Build Coastguard Worker %D = or i32 %B, %C 27*9880d681SAndroid Build Coastguard Worker %E = trunc i32 %D to i8 28*9880d681SAndroid Build Coastguard Worker %F = sext i8 %E to i32 29*9880d681SAndroid Build Coastguard Worker %G = add i32 %F, %X 30*9880d681SAndroid Build Coastguard Worker ret i32 %G 31*9880d681SAndroid Build Coastguard Worker} 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Workerdefine i32 @test3(i32 %A, i32 %X) { 34*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test3: 35*9880d681SAndroid Build Coastguard Worker; CHECK: sxtah r0, r0, r1, ror #8 36*9880d681SAndroid Build Coastguard Worker %X.hi = lshr i32 %X, 8 37*9880d681SAndroid Build Coastguard Worker %X.trunc = trunc i32 %X.hi to i16 38*9880d681SAndroid Build Coastguard Worker %addend = sext i16 %X.trunc to i32 39*9880d681SAndroid Build Coastguard Worker 40*9880d681SAndroid Build Coastguard Worker %sum = add i32 %A, %addend 41*9880d681SAndroid Build Coastguard Worker ret i32 %sum 42*9880d681SAndroid Build Coastguard Worker} 43