mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-15 16:09:02 +00:00
8f47fc8f00
The CFG of the machine function needs to know that the targets of the indirect branch are successors to the indirect branch. <rdar://problem/12529625> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166448 91177308-0d34-0410-b5e6-96231b3b80d8
47 lines
1.7 KiB
LLVM
47 lines
1.7 KiB
LLVM
; RUN: llc < %s -O0 -relocation-model=pic -mtriple=thumbv7-apple-ios | FileCheck %s
|
|
; <rdar://problem/12529625>
|
|
|
|
@foo = global i32 34879, align 4
|
|
@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))]
|
|
@0 = internal constant [45 x i8] c"func XXXXXXXXXXX :: bb xxxxxxxxxxxxxxxxxxxx\0A\00"
|
|
|
|
; The indirect branch has the two destinations as successors. The lone PHI
|
|
; statement shouldn't be implicitly defined.
|
|
|
|
; CHECK: func:
|
|
; CHECK: Ltmp1: @ Block address taken
|
|
; CHECK-NOT: @ implicit-def: R0
|
|
; CHECK: @ 4-byte Reload
|
|
|
|
define i32 @func() nounwind ssp {
|
|
%1 = alloca i32, align 4
|
|
%2 = load i32* @foo, align 4
|
|
%3 = icmp eq i32 %2, 34879
|
|
br label %4
|
|
|
|
; <label>:4 ; preds = %0
|
|
%5 = zext i1 %3 to i32
|
|
%6 = mul i32 %5, 287
|
|
%7 = add i32 %6, 2
|
|
%8 = getelementptr [2 x i32]* @DWJumpTable2808, i32 0, i32 %5
|
|
%9 = load i32* %8
|
|
%10 = add i32 %9, ptrtoint (i8* blockaddress(@func, %4) to i32)
|
|
%11 = inttoptr i32 %10 to i8*
|
|
%12 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([45 x i8]* @0, i32 0, i32 0))
|
|
indirectbr i8* %11, [label %13, label %14]
|
|
|
|
; <label>:13 ; preds = %4
|
|
%tmp14 = phi i32 [ %7, %4 ]
|
|
store i32 23958, i32* @foo, align 4
|
|
%tmp15 = load i32* %1, align 4
|
|
%tmp16 = icmp eq i32 %tmp15, 0
|
|
%tmp17 = zext i1 %tmp16 to i32
|
|
%tmp21 = add i32 %tmp17, %tmp14
|
|
ret i32 %tmp21
|
|
|
|
; <label>:14 ; preds = %4
|
|
ret i32 42
|
|
}
|
|
|
|
declare i32 @printf(i8*, ...)
|