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 ptr null ; <ptr> [#uses=2] 7@C.0.2070 = private constant [5 x ptr] [ptr blockaddress(@foo, %L1), ptr blockaddress(@foo, %L2), ptr blockaddress(@foo, %L3), ptr blockaddress(@foo, %L4), ptr blockaddress(@foo, %L5)] ; <ptr> [#uses=1] 8 9define internal i32 @foo(i32 %i) nounwind { 10; ARM-LABEL: foo: 11; THUMB-LABEL: foo: 12; THUMB2-LABEL: foo: 13entry: 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 ptr, ptr @nextaddr, align 4 ; <ptr> [#uses=2] 20 %1 = icmp eq ptr %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 27bb2: ; preds = %entry, %bb3 28 %gotovar.4.0 = phi ptr [ %gotovar.4.0.pre, %bb3 ], [ %0, %entry ] ; <ptr> [#uses=1] 29; ARM: bx 30; THUMB: mov pc, 31 indirectbr ptr %gotovar.4.0, [label %L5, label %L4, label %L3, label %L2, label %L1] 32 33bb3: ; preds = %entry 34 %2 = getelementptr inbounds [5 x ptr], ptr @C.0.2070, i32 0, i32 %i ; <ptr> [#uses=1] 35 %gotovar.4.0.pre = load ptr, ptr %2, align 4 ; <ptr> [#uses=1] 36 br label %bb2 37 38L5: ; preds = %bb2 39 br label %L4 40 41L4: ; preds = %L5, %bb2 42 %res.0 = phi i32 [ 385, %L5 ], [ 35, %bb2 ] ; <i32> [#uses=1] 43 br label %L3 44 45L3: ; preds = %L4, %bb2 46 %res.1 = phi i32 [ %res.0, %L4 ], [ 5, %bb2 ] ; <i32> [#uses=1] 47 br label %L2 48 49L2: ; preds = %L3, %bb2 50 %res.2 = phi i32 [ %res.1, %L3 ], [ 1, %bb2 ] ; <i32> [#uses=1] 51 %phitmp = mul i32 %res.2, 6 ; <i32> [#uses=1] 52 br label %L1 53 54L1: ; preds = %L2, %bb2 55 %res.3 = phi i32 [ %phitmp, %L2 ], [ 2, %bb2 ] ; <i32> [#uses=1] 56; ARM-LABEL: %L1 57; ARM: ldr [[R_NEXTADDR:r[0-9]+]], LCPI 58; ARM: ldr [[R1:r[0-9]+]], LCPI 59; ARM: add [[R_NEXTADDR_b:r[0-9]+]], pc, [[R_NEXTADDR]] 60; ARM: add [[R1b:r[0-9]+]], pc, [[R1]] 61; ARM: str [[R1b]], [[[R_NEXTADDR_b]]] 62 63; THUMB: %L1 64; THUMB: b [[SPLITBB:LBB[0-9_]+]] 65 66; THUMB: %.split4 67; THUMB: muls 68 69; THUMB: [[SPLITBB]]: 70; THUMB: ldr [[R2:r[0-9]+]], LCPI 71; THUMB: add [[R2]], pc 72; THUMB: str [[R2]], [r[[NEXTADDR_REG]]] 73; THUMB2-LABEL: %L1 74; THUMB2: ldr [[R2:r[0-9]+]], LCPI 75; THUMB2-NEXT: str{{(.w)?}} [[R2]] 76 store ptr blockaddress(@foo, %L5), ptr @nextaddr, align 4 77 ret i32 %res.3 78} 79; ARM: .long Ltmp0-(LPC{{.*}}+8) 80; THUMB: .long Ltmp0-(LPC{{.*}}+4) 81; THUMB: .long _nextaddr-([[NEXTADDR_PCBASE]]+4) 82; THUMB2: .long Ltmp0 83