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