1 ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -disable-post-ra | FileCheck %s 2 3 define void @bar(<8 x i16> %arg, <8 x i8>* %p) nounwind { 4 ; CHECK-LABEL: bar: 5 ; CHECK: xtn.8b v[[REG:[0-9]+]], v0 6 ; CHECK-NEXT: str d[[REG]], [x0] 7 ; CHECK-NEXT: ret 8 %tmp = trunc <8 x i16> %arg to <8 x i8> 9 store <8 x i8> %tmp, <8 x i8>* %p, align 8 10 ret void 11 } 12 13 @zptr8 = common global i8* null, align 8 14 @zptr16 = common global i16* null, align 8 15 @zptr32 = common global i32* null, align 8 16 17 define void @fct32(i32 %arg, i64 %var) { 18 ; CHECK: fct32 19 ; CHECK: adrp [[GLOBALPAGE:x[0-9]+]], _zptr32@GOTPAGE 20 ; CHECK: ldr [[GLOBALOFF:x[0-9]+]], {{\[}}[[GLOBALPAGE]], _zptr32@GOTPAGEOFF] 21 ; CHECK: ldr [[GLOBALADDR:x[0-9]+]], {{\[}}[[GLOBALOFF]]] 22 ; w0 is %arg 23 ; CHECK-NEXT: sub w[[OFFSETREGNUM:[0-9]+]], w0, #1 24 ; w1 is %var truncated 25 ; CHECK-NEXT: str w1, {{\[}}[[GLOBALADDR]], w[[OFFSETREGNUM]], sxtw #2] 26 ; CHECK-NEXT: ret 27 bb: 28 %.pre37 = load i32*, i32** @zptr32, align 8 29 %dec = add nsw i32 %arg, -1 30 %idxprom8 = sext i32 %dec to i64 31 %arrayidx9 = getelementptr inbounds i32, i32* %.pre37, i64 %idxprom8 32 %tmp = trunc i64 %var to i32 33 store i32 %tmp, i32* %arrayidx9, align 4 34 ret void 35 } 36 37 define void @fct16(i32 %arg, i64 %var) { 38 ; CHECK: fct16 39 ; CHECK: adrp [[GLOBALPAGE:x[0-9]+]], _zptr16@GOTPAGE 40 ; CHECK: ldr [[GLOBALOFF:x[0-9]+]], {{\[}}[[GLOBALPAGE]], _zptr16@GOTPAGEOFF] 41 ; CHECK: ldr [[GLOBALADDR:x[0-9]+]], {{\[}}[[GLOBALOFF]]] 42 ; w0 is %arg 43 ; CHECK-NEXT: sub w[[OFFSETREGNUM:[0-9]+]], w0, #1 44 ; w1 is %var truncated 45 ; CHECK-NEXT: strh w1, {{\[}}[[GLOBALADDR]], w[[OFFSETREGNUM]], sxtw #1] 46 ; CHECK-NEXT: ret 47 bb: 48 %.pre37 = load i16*, i16** @zptr16, align 8 49 %dec = add nsw i32 %arg, -1 50 %idxprom8 = sext i32 %dec to i64 51 %arrayidx9 = getelementptr inbounds i16, i16* %.pre37, i64 %idxprom8 52 %tmp = trunc i64 %var to i16 53 store i16 %tmp, i16* %arrayidx9, align 4 54 ret void 55 } 56 57 define void @fct8(i32 %arg, i64 %var) { 58 ; CHECK: fct8 59 ; CHECK: adrp [[GLOBALPAGE:x[0-9]+]], _zptr8@GOTPAGE 60 ; CHECK: ldr [[GLOBALOFF:x[0-9]+]], {{\[}}[[GLOBALPAGE]], _zptr8@GOTPAGEOFF] 61 ; CHECK: ldr [[BASEADDR:x[0-9]+]], {{\[}}[[GLOBALOFF]]] 62 ; w0 is %arg 63 ; CHECK-NEXT: add [[ADDR:x[0-9]+]], [[BASEADDR]], w0, sxtw 64 ; w1 is %var truncated 65 ; CHECK-NEXT: sturb w1, {{\[}}[[ADDR]], #-1] 66 ; CHECK-NEXT: ret 67 bb: 68 %.pre37 = load i8*, i8** @zptr8, align 8 69 %dec = add nsw i32 %arg, -1 70 %idxprom8 = sext i32 %dec to i64 71 %arrayidx9 = getelementptr inbounds i8, i8* %.pre37, i64 %idxprom8 72 %tmp = trunc i64 %var to i8 73 store i8 %tmp, i8* %arrayidx9, align 4 74 ret void 75 } 76
