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 8define void @t(i8* nocapture %a, i8* nocapture %b) nounwind { 9entry: 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 31define void @hword(double* %a, double* %b) nounwind { 32entry: 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 47define void @byte(double* %a, double* %b) nounwind { 48entry: 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 63define void @byte_word_ops(i32* %a, i32* %b) nounwind { 64entry: 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