1 ; RUN: llc < %s -march=thumb | FileCheck %s -check-prefix=V5 2 ; RUN: llc < %s -march=thumb -mattr=+v6 | FileCheck %s -check-prefix=V6 3 4 ; rdar://7176514 5 6 define i32 @test1(i8* %t1) nounwind { 7 ; V5: ldrb 8 9 ; V6: ldrb 10 %tmp.u = load i8* %t1 11 %tmp1.s = zext i8 %tmp.u to i32 12 ret i32 %tmp1.s 13 } 14 15 define i32 @test2(i16* %t1) nounwind { 16 ; V5: ldrh 17 18 ; V6: ldrh 19 %tmp.u = load i16* %t1 20 %tmp1.s = zext i16 %tmp.u to i32 21 ret i32 %tmp1.s 22 } 23 24 define i32 @test3(i8* %t0) nounwind { 25 ; V5: ldrb 26 ; V5: lsls 27 ; V5: asrs 28 29 ; V6: ldrb 30 ; V6: sxtb 31 %tmp.s = load i8* %t0 32 %tmp1.s = sext i8 %tmp.s to i32 33 ret i32 %tmp1.s 34 } 35 36 define i32 @test4(i16* %t0) nounwind { 37 ; V5: ldrh 38 ; V5: lsls 39 ; V5: asrs 40 41 ; V6: ldrh 42 ; V6: sxth 43 %tmp.s = load i16* %t0 44 %tmp1.s = sext i16 %tmp.s to i32 45 ret i32 %tmp1.s 46 } 47 48 define i32 @test5() nounwind { 49 ; V5: movs r0, #0 50 ; V5: ldrsh 51 52 ; V6: movs r0, #0 53 ; V6: ldrsh 54 %tmp.s = load i16* null 55 %tmp1.s = sext i16 %tmp.s to i32 56 ret i32 %tmp1.s 57 } 58
