llvm-6502/test/CodeGen/ARM/2013-05-05-IfConvertBug.ll
2013-05-05 18:07:15 +00:00

72 lines
2.0 KiB
LLVM

; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 | FileCheck %s
; rdar://13782395
define i32 @t1(i32 %a, i32 %b, i8** %retaddr) {
; CHECK: t1:
; CHECK: Block address taken
; CHECK-NOT: Address of block that was removed by CodeGen
store i8* blockaddress(@t1, %cond_true), i8** %retaddr
%tmp2 = icmp eq i32 %a, 0
br i1 %tmp2, label %cond_false, label %cond_true
cond_true:
%tmp5 = add i32 %b, 1
ret i32 %tmp5
cond_false:
%tmp7 = add i32 %b, -1
ret i32 %tmp7
}
define i32 @t2(i32 %a, i32 %b, i32 %c, i32 %d, i8** %retaddr) {
; CHECK: t2:
; CHECK: Block address taken
; CHECK: %cond_true
; CHECK: add
; CHECK: bx lr
store i8* blockaddress(@t2, %cond_true), i8** %retaddr
%tmp2 = icmp sgt i32 %c, 10
%tmp5 = icmp slt i32 %d, 4
%tmp8 = and i1 %tmp5, %tmp2
%tmp13 = add i32 %b, %a
br i1 %tmp8, label %cond_true, label %UnifiedReturnBlock
cond_true:
%tmp15 = add i32 %tmp13, %c
%tmp1821 = sub i32 %tmp15, %d
ret i32 %tmp1821
UnifiedReturnBlock:
ret i32 %tmp13
}
define hidden fastcc void @t3(i8** %retaddr) {
; CHECK: t3:
; CHECK: Block address taken
; CHECK-NOT: Address of block that was removed by CodeGen
bb:
store i8* blockaddress(@t3, %KBBlockZero_return_1), i8** %retaddr
br i1 undef, label %bb77, label %bb7.i
bb7.i: ; preds = %bb35
br label %bb2.i
KBBlockZero_return_1: ; preds = %KBBlockZero.exit
unreachable
KBBlockZero_return_0: ; preds = %KBBlockZero.exit
unreachable
bb77: ; preds = %bb26, %bb12, %bb
ret void
bb2.i: ; preds = %bb6.i350, %bb7.i
br i1 undef, label %bb6.i350, label %KBBlockZero.exit
bb6.i350: ; preds = %bb2.i
br label %bb2.i
KBBlockZero.exit: ; preds = %bb2.i
indirectbr i8* undef, [label %KBBlockZero_return_1, label %KBBlockZero_return_0]
}