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