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 5 @nextaddr = global i8* null ; <i8**> [#uses=2] 6 @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] 7 8 define internal i32 @foo(i32 %i) nounwind { 9 ; ARM: foo: 10 ; THUMB: foo: 11 ; THUMB2: foo: 12 entry: 13 %0 = load i8** @nextaddr, align 4 ; <i8*> [#uses=2] 14 %1 = icmp eq i8* %0, null ; <i1> [#uses=1] 15 ; indirect branch gets duplicated here 16 ; ARM: bx 17 ; THUMB: mov pc, 18 ; THUMB2: mov pc, 19 br i1 %1, label %bb3, label %bb2 20 21 bb2: ; preds = %entry, %bb3 22 %gotovar.4.0 = phi i8* [ %gotovar.4.0.pre, %bb3 ], [ %0, %entry ] ; <i8*> [#uses=1] 23 ; ARM: bx 24 ; THUMB: mov pc, 25 indirectbr i8* %gotovar.4.0, [label %L5, label %L4, label %L3, label %L2, label %L1] 26 27 bb3: ; preds = %entry 28 %2 = getelementptr inbounds [5 x i8*]* @C.0.2070, i32 0, i32 %i ; <i8**> [#uses=1] 29 %gotovar.4.0.pre = load i8** %2, align 4 ; <i8*> [#uses=1] 30 br label %bb2 31 32 L5: ; preds = %bb2 33 br label %L4 34 35 L4: ; preds = %L5, %bb2 36 %res.0 = phi i32 [ 385, %L5 ], [ 35, %bb2 ] ; <i32> [#uses=1] 37 br label %L3 38 39 L3: ; preds = %L4, %bb2 40 %res.1 = phi i32 [ %res.0, %L4 ], [ 5, %bb2 ] ; <i32> [#uses=1] 41 br label %L2 42 43 L2: ; preds = %L3, %bb2 44 ; THUMB: muls 45 %res.2 = phi i32 [ %res.1, %L3 ], [ 1, %bb2 ] ; <i32> [#uses=1] 46 %phitmp = mul i32 %res.2, 6 ; <i32> [#uses=1] 47 br label %L1 48 49 L1: ; preds = %L2, %bb2 50 %res.3 = phi i32 [ %phitmp, %L2 ], [ 2, %bb2 ] ; <i32> [#uses=1] 51 ; ARM: ldr [[R1:r[0-9]+]], LCPI 52 ; ARM: add [[R1b:r[0-9]+]], pc, [[R1]] 53 ; ARM: str [[R1b]] 54 ; THUMB: ldr.n 55 ; THUMB: add 56 ; THUMB: ldr.n [[R2:r[0-9]+]], LCPI 57 ; THUMB: add [[R2]], pc 58 ; THUMB: str [[R2]] 59 ; THUMB2: ldr.n [[R2:r[0-9]+]], LCPI 60 ; THUMB2-NEXT: str{{(.w)?}} [[R2]] 61 store i8* blockaddress(@foo, %L5), i8** @nextaddr, align 4 62 ret i32 %res.3 63 } 64 ; ARM: .long Ltmp0-(LPC{{.*}}+8) 65 ; THUMB: .long Ltmp0-(LPC{{.*}}+4) 66 ; THUMB2: .long Ltmp0 67
