1 ; RUN: llc < %s -O0 -relocation-model=pic -mtriple=thumbv7-apple-ios | FileCheck %s 2 ; <rdar://problem/12529625> 3 4 @foo = global i32 34879, align 4 5 @DWJumpTable2808 = global [2 x i32] [i32 sub (i32 ptrtoint (i8* blockaddress(@func, %14) to i32), i32 ptrtoint (i8* blockaddress(@func, %4) to i32)), i32 sub (i32 ptrtoint (i8* blockaddress(@func, %13) to i32), i32 ptrtoint (i8* blockaddress(@func, %4) to i32))] 6 @0 = internal constant [45 x i8] c"func XXXXXXXXXXX :: bb xxxxxxxxxxxxxxxxxxxx\0A\00" 7 8 ; The indirect branch has the two destinations as successors. The lone PHI 9 ; statement shouldn't be implicitly defined. 10 11 ; CHECK-LABEL: func: 12 ; CHECK: Ltmp1: @ Block address taken 13 ; CHECK-NOT: @ implicit-def: R0 14 ; CHECK: @ 4-byte Reload 15 16 define i32 @func() nounwind ssp { 17 %1 = alloca i32, align 4 18 %2 = load i32, i32* @foo, align 4 19 %3 = icmp eq i32 %2, 34879 20 br label %4 21 22 ; <label>:4 ; preds = %0 23 %5 = zext i1 %3 to i32 24 %6 = mul i32 %5, 287 25 %7 = add i32 %6, 2 26 %8 = getelementptr [2 x i32], [2 x i32]* @DWJumpTable2808, i32 0, i32 %5 27 %9 = load i32, i32* %8 28 %10 = add i32 %9, ptrtoint (i8* blockaddress(@func, %4) to i32) 29 %11 = inttoptr i32 %10 to i8* 30 %12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @0, i32 0, i32 0)) 31 indirectbr i8* %11, [label %13, label %14] 32 33 ; <label>:13 ; preds = %4 34 %tmp14 = phi i32 [ %7, %4 ] 35 store i32 23958, i32* @foo, align 4 36 %tmp15 = load i32, i32* %1, align 4 37 %tmp16 = icmp eq i32 %tmp15, 0 38 %tmp17 = zext i1 %tmp16 to i32 39 %tmp21 = add i32 %tmp17, %tmp14 40 ret i32 %tmp21 41 42 ; <label>:14 ; preds = %4 43 ret i32 42 44 } 45 46 declare i32 @printf(i8*, ...) 47
