1; RUN: llc -mtriple=arm-eabi -pre-RA-sched=source -mattr=+strict-align %s -o - \ 2; RUN: | FileCheck %s -check-prefix=EXPANDED 3 4; RUN: llc -mtriple=armv6-apple-darwin -mcpu=cortex-a8 -mattr=-neon,+strict-align -pre-RA-sched=source %s -o - \ 5; RUN: | FileCheck %s -check-prefix=EXPANDED 6 7; RUN: llc -mtriple=armv6-apple-darwin -mcpu=cortex-a8 %s -o - \ 8; RUN: | FileCheck %s -check-prefix=UNALIGNED 9 10; rdar://7113725 11; rdar://12091029 12 13define void @t(i8* nocapture %a, i8* nocapture %b) nounwind { 14entry: 15; EXPANDED-LABEL: t: 16; EXPANDED: ldrb [[R2:r[0-9]+]] 17; EXPANDED: ldrb [[R3:r[0-9]+]] 18; EXPANDED: ldrb [[R12:r[0-9]+]] 19; EXPANDED: ldrb [[R1:r[0-9]+]] 20; EXPANDED: strb [[R1]] 21; EXPANDED: strb [[R12]] 22; EXPANDED: strb [[R3]] 23; EXPANDED: strb [[R2]] 24 25; UNALIGNED-LABEL: t: 26; UNALIGNED: ldr r1 27; UNALIGNED: str r1 28 29 %__src1.i = bitcast i8* %b to i32* ; <i32*> [#uses=1] 30 %__dest2.i = bitcast i8* %a to i32* ; <i32*> [#uses=1] 31 %tmp.i = load i32, i32* %__src1.i, align 1 ; <i32> [#uses=1] 32 store i32 %tmp.i, i32* %__dest2.i, align 1 33 ret void 34} 35 36define void @hword(double* %a, double* %b) nounwind { 37entry: 38; EXPANDED-LABEL: hword: 39; EXPANDED-NOT: vld1 40; EXPANDED: ldrh 41; EXPANDED-NOT: str1 42; EXPANDED: strh 43 44; UNALIGNED-LABEL: hword: 45; UNALIGNED: vld1.16 46; UNALIGNED: vst1.16 47 %tmp = load double, double* %a, align 2 48 store double %tmp, double* %b, align 2 49 ret void 50} 51 52define void @byte(double* %a, double* %b) nounwind { 53entry: 54; EXPANDED-LABEL: byte: 55; EXPANDED-NOT: vld1 56; EXPANDED: ldrb 57; EXPANDED-NOT: str1 58; EXPANDED: strb 59 60; UNALIGNED-LABEL: byte: 61; UNALIGNED: vld1.8 62; UNALIGNED: vst1.8 63 %tmp = load double, double* %a, align 1 64 store double %tmp, double* %b, align 1 65 ret void 66} 67 68define void @byte_word_ops(i32* %a, i32* %b) nounwind { 69entry: 70; EXPANDED-LABEL: byte_word_ops: 71; EXPANDED: ldrb 72; EXPANDED: strb 73 74; UNALIGNED-LABEL: byte_word_ops: 75; UNALIGNED-NOT: ldrb 76; UNALIGNED: ldr 77; UNALIGNED-NOT: strb 78; UNALIGNED: str 79 %tmp = load i32, i32* %a, align 1 80 store i32 %tmp, i32* %b, align 1 81 ret void 82} 83