mirror of
https://github.com/jeremysrand/llvm-65816.git
synced 2024-11-05 00:06:07 +00:00
62 lines
1.6 KiB
LLVM
62 lines
1.6 KiB
LLVM
; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
|
|
; This test is checking that (a) this doesn't crash, and (b) we don't
|
|
; conclude the value of %tmp17 is available in bb1.bb15_crit_edge.
|
|
; rdar://9429882
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
|
|
target triple = "x86_64-apple-macosx10.7.0"
|
|
|
|
define i1 @rb_intern() nounwind ssp {
|
|
; CHECK-LABEL: @rb_intern(
|
|
|
|
bb:
|
|
%tmp = alloca i8*, align 8
|
|
store i8* null, i8** %tmp, align 8
|
|
store i8 undef, i8* null, align 536870912
|
|
br label %bb1
|
|
|
|
bb1:
|
|
br i1 undef, label %bb3, label %bb15
|
|
|
|
; CHECK: bb1:
|
|
; CHECK: [[TMP:%.*]] = phi i8* [ getelementptr (i8* null, i64 undef), %bb10 ], [ null, %bb ]
|
|
|
|
; CHECK: bb1.bb15_crit_edge:
|
|
; CHECK: %tmp17.pre = load i8* [[TMP]], align 1
|
|
|
|
bb3:
|
|
call void @isalnum()
|
|
br i1 undef, label %bb10, label %bb5
|
|
|
|
bb5:
|
|
br i1 undef, label %bb10, label %bb6
|
|
|
|
bb6:
|
|
%tmp7 = load i8** %tmp, align 8
|
|
%tmp8 = load i8* %tmp7, align 1
|
|
%tmp9 = zext i8 %tmp8 to i64
|
|
br i1 undef, label %bb15, label %bb10
|
|
|
|
bb10:
|
|
%tmp11 = load i8** %tmp, align 8
|
|
%tmp12 = load i8* %tmp11, align 1
|
|
%tmp13 = zext i8 %tmp12 to i64
|
|
%tmp14 = getelementptr inbounds i8* null, i64 undef
|
|
store i8* %tmp14, i8** %tmp, align 8
|
|
br label %bb1
|
|
|
|
bb15:
|
|
%tmp16 = load i8** %tmp, align 8
|
|
%tmp17 = load i8* %tmp16, align 1
|
|
%tmp18 = icmp eq i8 %tmp17, 0
|
|
br label %bb19
|
|
|
|
; CHECK: bb15:
|
|
; CHECK: %tmp17 = phi i8 [ %tmp17.pre, %bb1.bb15_crit_edge ], [ %tmp8, %bb6 ]
|
|
|
|
bb19: ; preds = %bb15
|
|
ret i1 %tmp18
|
|
}
|
|
|
|
declare void @isalnum() nounwind inlinehint ssp
|