1 ; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s 2 3 define i32 @test1(i8* %t1) nounwind { 4 ; CHECK: ldrb 5 %tmp.u = load i8, i8* %t1 6 %tmp1.s = zext i8 %tmp.u to i32 7 ret i32 %tmp1.s 8 } 9 10 define i32 @test2(i16* %t1) nounwind { 11 ; CHECK: ldrh 12 %tmp.u = load i16, i16* %t1 13 %tmp1.s = zext i16 %tmp.u to i32 14 ret i32 %tmp1.s 15 } 16 17 define i32 @test3(i8* %t0) nounwind { 18 ; CHECK: ldrsb 19 %tmp.s = load i8, i8* %t0 20 %tmp1.s = sext i8 %tmp.s to i32 21 ret i32 %tmp1.s 22 } 23 24 define i32 @test4(i16* %t0) nounwind { 25 ; CHECK: ldrsh 26 %tmp.s = load i16, i16* %t0 27 %tmp1.s = sext i16 %tmp.s to i32 28 ret i32 %tmp1.s 29 } 30 31 define i32 @test5() nounwind { 32 ; CHECK: mov r0, #0 33 ; CHECK: ldrsh 34 %tmp.s = load i16, i16* null 35 %tmp1.s = sext i16 %tmp.s to i32 36 ret i32 %tmp1.s 37 } 38
