mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
edb5842b7c
the safety check to look for the same type we're going to actually cast to. Fixes PR13180! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159110 91177308-0d34-0410-b5e6-96231b3b80d8
71 lines
1.7 KiB
LLVM
71 lines
1.7 KiB
LLVM
; RUN: opt < %s -simplifycfg -S | FileCheck %s
|
|
|
|
define void @test(i32* %P, i32* %Q, i1 %A, i1 %B) {
|
|
; CHECK: test
|
|
; CHECK: br i1
|
|
; CHECK-NOT: br i1
|
|
; CHECK: ret
|
|
; CHECK: ret
|
|
|
|
entry:
|
|
br i1 %A, label %a, label %b
|
|
a:
|
|
br i1 %B, label %b, label %c
|
|
b:
|
|
store i32 123, i32* %P
|
|
ret void
|
|
c:
|
|
ret void
|
|
}
|
|
|
|
; rdar://10554090
|
|
define zeroext i1 @test2(i64 %i0, i64 %i1) nounwind uwtable readonly ssp {
|
|
entry:
|
|
; CHECK: test2
|
|
; CHECK: br i1
|
|
%and.i.i = and i64 %i0, 281474976710655
|
|
%and.i11.i = and i64 %i1, 281474976710655
|
|
%or.cond = icmp eq i64 %and.i.i, %and.i11.i
|
|
br i1 %or.cond, label %c, label %a
|
|
|
|
a:
|
|
; CHECK: br
|
|
%shr.i4.i = lshr i64 %i0, 48
|
|
%and.i5.i = and i64 %shr.i4.i, 32767
|
|
%shr.i.i = lshr i64 %i1, 48
|
|
%and.i2.i = and i64 %shr.i.i, 32767
|
|
%cmp9.i = icmp ult i64 %and.i5.i, %and.i2.i
|
|
br i1 %cmp9.i, label %c, label %b
|
|
|
|
b:
|
|
; CHECK-NOT: br
|
|
%shr.i13.i9 = lshr i64 %i1, 48
|
|
%and.i14.i10 = and i64 %shr.i13.i9, 32767
|
|
%shr.i.i11 = lshr i64 %i0, 48
|
|
%and.i11.i12 = and i64 %shr.i.i11, 32767
|
|
%phitmp = icmp uge i64 %and.i14.i10, %and.i11.i12
|
|
br label %c
|
|
|
|
c:
|
|
%o2 = phi i1 [ false, %a ], [ %phitmp, %b ], [ false, %entry ]
|
|
ret i1 %o2
|
|
}
|
|
|
|
; PR13180
|
|
define void @pr13180(i8 %p) {
|
|
entry:
|
|
%tobool = icmp eq i8 %p, 0
|
|
br i1 %tobool, label %cond.false, label %cond.true
|
|
|
|
cond.true: ; preds = %entry
|
|
br label %cond.end
|
|
|
|
cond.false: ; preds = %entry
|
|
%phitmp = icmp eq i8 %p, 0
|
|
br label %cond.end
|
|
|
|
cond.end: ; preds = %cond.false, %cond.true
|
|
%cond = phi i1 [ undef, %cond.true ], [ %phitmp, %cond.false ]
|
|
unreachable
|
|
}
|