2021-08-15 02:54:19 +08:00
|
|
|
; RUN: opt < %s -S -loop-rotate -o - -verify-loop-info -verify-dom-info -verify-memoryssa | FileCheck %s
|
2019-04-17 12:52:47 +08:00
|
|
|
|
|
|
|
|
; PR5502
|
|
|
|
|
define void @z80_do_opcodes() nounwind {
|
|
|
|
|
entry:
|
|
|
|
|
br label %while.cond
|
|
|
|
|
|
|
|
|
|
while.cond: ; preds = %end_opcode, %entry
|
|
|
|
|
br label %while.body
|
|
|
|
|
|
|
|
|
|
while.body: ; preds = %while.cond
|
|
|
|
|
br label %indirectgoto
|
|
|
|
|
|
|
|
|
|
run_opcode: ; preds = %indirectgoto
|
|
|
|
|
%tmp276 = load i8, i8* undef ; <i8> [#uses=1]
|
|
|
|
|
br label %indirectgoto
|
|
|
|
|
|
|
|
|
|
if.else295: ; preds = %divide_late
|
|
|
|
|
br label %end_opcode
|
|
|
|
|
|
|
|
|
|
end_opcode: ; preds = %indirectgoto, %sw.default42406, %sw.default, %if.else295
|
|
|
|
|
%opcode.2 = phi i8 [ %opcode.0, %indirectgoto ], [ 0, %sw.default42406 ], [ undef, %sw.default ], [ %opcode.0, %if.else295 ] ; <i8> [#uses=0]
|
|
|
|
|
switch i32 undef, label %while.cond [
|
|
|
|
|
i32 221, label %sw.bb11691
|
|
|
|
|
i32 253, label %sw.bb30351
|
|
|
|
|
]
|
|
|
|
|
|
|
|
|
|
sw.bb11691: ; preds = %end_opcode
|
|
|
|
|
br label %sw.default
|
|
|
|
|
|
|
|
|
|
sw.default: ; preds = %sw.bb11691
|
|
|
|
|
br label %end_opcode
|
|
|
|
|
|
|
|
|
|
sw.bb30351: ; preds = %end_opcode
|
|
|
|
|
br label %sw.default42406
|
|
|
|
|
|
|
|
|
|
sw.default42406: ; preds = %sw.bb30351
|
|
|
|
|
br label %end_opcode
|
|
|
|
|
|
|
|
|
|
indirectgoto: ; preds = %run_opcode, %while.body
|
|
|
|
|
%opcode.0 = phi i8 [ undef, %while.body ], [ %tmp276, %run_opcode ] ; <i8> [#uses=2]
|
|
|
|
|
indirectbr i8* undef, [label %run_opcode, label %if.else295, label %end_opcode]
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @foo
|
|
|
|
|
define void @foo(i1 %a, i1 %b, i8* %c) {
|
|
|
|
|
; CHECK: entry
|
|
|
|
|
; CHECK-NEXT: br i1 %a, label %return, label %preheader
|
|
|
|
|
entry:
|
|
|
|
|
br i1 %a, label %return, label %preheader
|
|
|
|
|
|
|
|
|
|
; CHECK: preheader:
|
|
|
|
|
; CHECK-NEXT: br label %header
|
|
|
|
|
preheader:
|
|
|
|
|
br label %header
|
|
|
|
|
|
|
|
|
|
; CHECK: header:
|
|
|
|
|
; CHECK-NEXT: br i1 %b, label %return, label %body
|
|
|
|
|
header:
|
|
|
|
|
br i1 %b, label %return, label %body
|
|
|
|
|
|
|
|
|
|
; CHECK: body:
|
|
|
|
|
; CHECK-NEXT: indirectbr i8* %c, [label %return, label %latch]
|
|
|
|
|
body:
|
|
|
|
|
indirectbr i8* %c, [label %return, label %latch]
|
|
|
|
|
|
|
|
|
|
; CHECK: latch:
|
|
|
|
|
; CHECK-NEXT: br label %header
|
|
|
|
|
latch:
|
|
|
|
|
br label %header
|
|
|
|
|
|
|
|
|
|
return:
|
|
|
|
|
ret void
|
|
|
|
|
}
|
