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 ; THUMB2: mov pc, 26 indirectbr i8* %gotovar.4.0, [label %L5, label %L4, label %L3, label %L2, label %L1] 27 28 bb3: ; preds = %entry 29 %2 = getelementptr inbounds [5 x i8*]* @C.0.2070, i32 0, i32 %i ; <i8**> [#uses=1] 30 %gotovar.4.0.pre = load i8** %2, align 4 ; <i8*> [#uses=1] 31 br label %bb2 32 33 L5: ; preds = %bb2 34 br label %L4 35 36 L4: ; preds = %L5, %bb2 37 %res.0 = phi i32 [ 385, %L5 ], [ 35, %bb2 ] ; <i32> [#uses=1] 38 br label %L3 39 40 L3: ; preds = %L4, %bb2 41 %res.1 = phi i32 [ %res.0, %L4 ], [ 5, %bb2 ] ; <i32> [#uses=1] 42 br label %L2 43 44 L2: ; preds = %L3, %bb2 45 ; THUMB: muls 46 %res.2 = phi i32 [ %res.1, %L3 ], [ 1, %bb2 ] ; <i32> [#uses=1] 47 %phitmp = mul i32 %res.2, 6 ; <i32> [#uses=1] 48 br label %L1 49 50 L1: ; preds = %L2, %bb2 51 %res.3 = phi i32 [ %phitmp, %L2 ], [ 2, %bb2 ] ; <i32> [#uses=1] 52 ; ARM: ldr [[R1:r[0-9]+]], LCPI 53 ; ARM: add [[R1b:r[0-9]+]], pc, [[R1]] 54 ; ARM: str [[R1b]] 55 ; THUMB: ldr.n 56 ; THUMB: add 57 ; THUMB: ldr.n [[R2:r[0-9]+]], LCPI 58 ; THUMB: add [[R2]], pc 59 ; THUMB: str [[R2]] 60 ; THUMB2: ldr.n [[R2:r[0-9]+]], LCPI 61 ; THUMB2-NEXT: str{{(.w)?}} [[R2]] 62 store i8* blockaddress(@foo, %L5), i8** @nextaddr, align 4 63 ret i32 %res.3 64 } 65 ; ARM: .long Ltmp0-(LPC{{.*}}+8) 66 ; THUMB: .long Ltmp0-(LPC{{.*}}+4) 67 ; THUMB2: .long Ltmp0 68
