1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=thumb-eabi -mcpu=cortex-m3 %s -o - | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdefine i32 @test1(i16 zeroext %z) nounwind { 4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test1: 5*9880d681SAndroid Build Coastguard Worker; CHECK: sxth 6*9880d681SAndroid Build Coastguard Worker %r = sext i16 %z to i32 7*9880d681SAndroid Build Coastguard Worker ret i32 %r 8*9880d681SAndroid Build Coastguard Worker} 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Workerdefine i32 @test2(i8 zeroext %z) nounwind { 11*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test2: 12*9880d681SAndroid Build Coastguard Worker; CHECK: sxtb 13*9880d681SAndroid Build Coastguard Worker %r = sext i8 %z to i32 14*9880d681SAndroid Build Coastguard Worker ret i32 %r 15*9880d681SAndroid Build Coastguard Worker} 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Workerdefine i32 @test3(i16 signext %z) nounwind { 18*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test3: 19*9880d681SAndroid Build Coastguard Worker; CHECK: uxth 20*9880d681SAndroid Build Coastguard Worker %r = zext i16 %z to i32 21*9880d681SAndroid Build Coastguard Worker ret i32 %r 22*9880d681SAndroid Build Coastguard Worker} 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Workerdefine i32 @test4(i8 signext %z) nounwind { 25*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test4: 26*9880d681SAndroid Build Coastguard Worker; CHECK: uxtb 27*9880d681SAndroid Build Coastguard Worker %r = zext i8 %z to i32 28*9880d681SAndroid Build Coastguard Worker ret i32 %r 29*9880d681SAndroid Build Coastguard Worker} 30