1 ; RUN: llc < %s -relocation-model=pic -mtriple=armv6-apple-darwin | FileCheck %s -check-prefix=ARM 2 ; RUN: llc < %s -relocation-model=pic -mtriple=thumbv6-apple-darwin | FileCheck %s -check-prefix=THUMB 3 ; RUN: llc < %s -relocation-model=static -mtriple=thumbv7-apple-darwin | FileCheck %s -check-prefix=THUMB2 4 ; RUN: llc < %s -relocation-model=static -mtriple=thumbv8-apple-darwin | FileCheck %s -check-prefix=THUMB2 5 6 @nextaddr = global i8* null ; <i8**> [#uses=2] 7 @C.0.2070 = private constant [5 x i8*] [i8* blockaddress(@foo, %L1), i8* blockaddress(@foo, %L2), i8* blockaddress(@foo, %L3), i8* blockaddress(@foo, %L4), i8* blockaddress(@foo, %L5)] ; <[5 x i8*]*> [#uses=1] 8 9 define internal i32 @foo(i32 %i) nounwind { 10 ; ARM-LABEL: foo: 11 ; THUMB-LABEL: foo: 12 ; THUMB2-LABEL: foo: 13 entry: 14 ; _nextaddr gets CSEed for use later on. 15 ; THUMB: ldr r[[NEXTADDR_REG:[0-9]+]], [[NEXTADDR_CPI:LCPI0_[0-9]+]] 16 ; THUMB: [[NEXTADDR_PCBASE:LPC0_[0-9]]]: 17 ; THUMB: add r[[NEXTADDR_REG]], pc 18 19 %0 = load i8** @nextaddr, align 4 ; <i8*> [#uses=2] 20 %1 = icmp eq i8* %0, null ; <i1> [#uses=1] 21 ; indirect branch gets duplicated here 22 ; ARM: bx 23 ; THUMB: mov pc, 24 ; THUMB2: mov pc, 25 br i1 %1, label %bb3, label %bb2 26 27 bb2: ; preds = %entry, %bb3 28 %gotovar.4.0 = phi i8* [ %gotovar.4.0.pre, %bb3 ], [ %0, %entry ] ; <i8*> [#uses=1] 29 ; ARM: bx 30 ; THUMB: mov pc, 31 indirectbr i8* %gotovar.4.0, [label %L5, label %L4, label %L3, label %L2, label %L1] 32 33 bb3: ; preds = %entry 34 %2 = getelementptr inbounds [5 x i8*]* @C.0.2070, i32 0, i32 %i ; <i8**> [#uses=1] 35 %gotovar.4.0.pre = load i8** %2, align 4 ; <i8*> [#uses=1] 36 br label %bb2 37 38 L5: ; preds = %bb2 39 br label %L4 40 41 L4: ; preds = %L5, %bb2 42 %res.0 = phi i32 [ 385, %L5 ], [ 35, %bb2 ] ; <i32> [#uses=1] 43 br label %L3 44 45 L3: ; preds = %L4, %bb2 46 %res.1 = phi i32 [ %res.0, %L4 ], [ 5, %bb2 ] ; <i32> [#uses=1] 47 br label %L2 48 49 L2: ; preds = %L3, %bb2 50 ; THUMB: muls 51 %res.2 = phi i32 [ %res.1, %L3 ], [ 1, %bb2 ] ; <i32> [#uses=1] 52 %phitmp = mul i32 %res.2, 6 ; <i32> [#uses=1] 53 br label %L1 54 55 L1: ; preds = %L2, %bb2 56 %res.3 = phi i32 [ %phitmp, %L2 ], [ 2, %bb2 ] ; <i32> [#uses=1] 57 ; ARM-LABEL: %L1 58 ; ARM: ldr [[R1:r[0-9]+]], LCPI 59 ; ARM: add [[R1b:r[0-9]+]], pc, [[R1]] 60 ; ARM: str [[R1b]] 61 62 ; THUMB-LABEL: %L1 63 ; THUMB: ldr [[R2:r[0-9]+]], LCPI 64 ; THUMB: add [[R2]], pc 65 ; THUMB: str [[R2]], [r[[NEXTADDR_REG]]] 66 ; THUMB2-LABEL: %L1 67 ; THUMB2: ldr [[R2:r[0-9]+]], LCPI 68 ; THUMB2-NEXT: str{{(.w)?}} [[R2]] 69 store i8* blockaddress(@foo, %L5), i8** @nextaddr, align 4 70 ret i32 %res.3 71 } 72 ; ARM: .long Ltmp0-(LPC{{.*}}+8) 73 ; THUMB: .long Ltmp0-(LPC{{.*}}+4) 74 ; THUMB: .long _nextaddr-([[NEXTADDR_PCBASE]]+4) 75 ; THUMB2: .long Ltmp0 76
