1 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-darwin | FileCheck %s --check-prefix=ARM 2 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM 3 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-darwin | FileCheck %s --check-prefix=THUMB 4 5 @a = global i8 1, align 1 6 @b = global i16 2, align 2 7 8 define void @t1() nounwind uwtable ssp { 9 ; ARM: t1 10 ; ARM: ldrb 11 ; ARM-NOT: uxtb 12 ; ARM-NOT: and{{.*}}, #255 13 ; THUMB: t1 14 ; THUMB: ldrb 15 ; THUMB-NOT: uxtb 16 ; THUMB-NOT: and{{.*}}, #255 17 %1 = load i8* @a, align 1 18 call void @foo1(i8 zeroext %1) 19 ret void 20 } 21 22 define void @t2() nounwind uwtable ssp { 23 ; ARM: t2 24 ; ARM: ldrh 25 ; ARM-NOT: uxth 26 ; THUMB: t2 27 ; THUMB: ldrh 28 ; THUMB-NOT: uxth 29 %1 = load i16* @b, align 2 30 call void @foo2(i16 zeroext %1) 31 ret void 32 } 33 34 declare void @foo1(i8 zeroext) 35 declare void @foo2(i16 zeroext) 36 37 define i32 @t3() nounwind uwtable ssp { 38 ; ARM: t3 39 ; ARM: ldrb 40 ; ARM-NOT: uxtb 41 ; ARM-NOT: and{{.*}}, #255 42 ; THUMB: t3 43 ; THUMB: ldrb 44 ; THUMB-NOT: uxtb 45 ; THUMB-NOT: and{{.*}}, #255 46 %1 = load i8* @a, align 1 47 %2 = zext i8 %1 to i32 48 ret i32 %2 49 } 50 51 define i32 @t4() nounwind uwtable ssp { 52 ; ARM: t4 53 ; ARM: ldrh 54 ; ARM-NOT: uxth 55 ; THUMB: t4 56 ; THUMB: ldrh 57 ; THUMB-NOT: uxth 58 %1 = load i16* @b, align 2 59 %2 = zext i16 %1 to i32 60 ret i32 %2 61 } 62 63 define i32 @t5() nounwind uwtable ssp { 64 ; ARM: t5 65 ; ARM: ldrsh 66 ; ARM-NOT: sxth 67 ; THUMB: t5 68 ; THUMB: ldrsh 69 ; THUMB-NOT: sxth 70 %1 = load i16* @b, align 2 71 %2 = sext i16 %1 to i32 72 ret i32 %2 73 } 74 75 define i32 @t6() nounwind uwtable ssp { 76 ; ARM: t6 77 ; ARM: ldrsb 78 ; ARM-NOT: sxtb 79 ; THUMB: t6 80 ; THUMB: ldrsb 81 ; THUMB-NOT: sxtb 82 %1 = load i8* @a, align 2 83 %2 = sext i8 %1 to i32 84 ret i32 %2 85 } 86
