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 13 define void @t(i8* nocapture %a, i8* nocapture %b) nounwind { 14 entry: 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 36 define void @hword(double* %a, double* %b) nounwind { 37 entry: 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 52 define void @byte(double* %a, double* %b) nounwind { 53 entry: 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 68 define void @byte_word_ops(i32* %a, i32* %b) nounwind { 69 entry: 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
