| ; RUN: llc < %s -march=thumb -mattr=+thumb2 | grep ldrb | count 1 | 
 | ; RUN: llc < %s -march=thumb -mattr=+thumb2 | grep ldrh | count 1 | 
 | ; RUN: llc < %s -march=thumb -mattr=+thumb2 | grep ldrsb | count 1 | 
 | ; RUN: llc < %s -march=thumb -mattr=+thumb2 | grep ldrsh | count 1 | 
 |  | 
 | define i32 @test1(i8* %v.pntr.s0.u1) { | 
 |     %tmp.u = load i8* %v.pntr.s0.u1 | 
 |     %tmp1.s = zext i8 %tmp.u to i32 | 
 |     ret i32 %tmp1.s | 
 | } | 
 |  | 
 | define i32 @test2(i16* %v.pntr.s0.u1) { | 
 |     %tmp.u = load i16* %v.pntr.s0.u1 | 
 |     %tmp1.s = zext i16 %tmp.u to i32 | 
 |     ret i32 %tmp1.s | 
 | } | 
 |  | 
 | define i32 @test3(i8* %v.pntr.s1.u0) { | 
 |     %tmp.s = load i8* %v.pntr.s1.u0 | 
 |     %tmp1.s = sext i8 %tmp.s to i32 | 
 |     ret i32 %tmp1.s | 
 | } | 
 |  | 
 | define i32 @test4() { | 
 |     %tmp.s = load i16* null | 
 |     %tmp1.s = sext i16 %tmp.s to i32 | 
 |     ret i32 %tmp1.s | 
 | } |