1 ; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s 2 3 define i32 @test1(i8* %v.pntr.s0.u1) { 4 %tmp.u = load i8, i8* %v.pntr.s0.u1 5 %tmp1.s = zext i8 %tmp.u to i32 6 ret i32 %tmp1.s 7 } 8 9 define i32 @test2(i16* %v.pntr.s0.u1) { 10 %tmp.u = load i16, i16* %v.pntr.s0.u1 11 %tmp1.s = zext i16 %tmp.u to i32 12 ret i32 %tmp1.s 13 } 14 15 define i32 @test3(i8* %v.pntr.s1.u0) { 16 %tmp.s = load i8, i8* %v.pntr.s1.u0 17 %tmp1.s = sext i8 %tmp.s to i32 18 ret i32 %tmp1.s 19 } 20 21 define i32 @test4() { 22 %tmp.s = load i16, i16* null 23 %tmp1.s = sext i16 %tmp.s to i32 24 ret i32 %tmp1.s 25 } 26 27 ; CHECK: ldrb 28 ; CHECK-NOT: ldrb 29 30 ; CHECK: ldrh 31 ; CHECK-NOT: ldrh 32 33 ; CHECK: ldrsb 34 ; CHECK-NOT: ldrsb 35 36 ; CHECK: ldrsh 37 ; CHECK-NOT: ldrsh 38 39