xref: /llvm-project/llvm/test/CodeGen/X86/2012-08-17-legalizer-crash.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; RUN: llc < %s | FileCheck %s
2; Check that an overly large immediate created by SROA doesn't crash the
3; legalizer.
4
5target 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-S128"
6target triple = "x86_64-apple-macosx10.8.0"
7
8%struct._GtkSheetRow = type { ptr, i32, i32, i32, %struct._GtkSheetButton, i32, i32 }
9%struct._GtkSheetButton = type { i32, ptr, i32, ptr, i32 }
10
11@a = common global ptr null, align 8
12
13define void @fn1() nounwind uwtable ssp {
14entry:
15  %0 = load ptr, ptr @a, align 8
16  %srcval2 = load i576, ptr %0, align 8
17  %tobool = icmp ugt i576 %srcval2, 57586096570152913699974892898380567793532123114264532903689671329431521032595044740083720782129802971518987656109067457577065805510327036019308994315074097345724415
18  br i1 %tobool, label %if.then, label %if.end
19
20if.then:                                          ; preds = %entry
21  store i576 %srcval2, ptr %0, align 8
22  br label %if.end
23
24if.end:                                           ; preds = %if.then, %entry
25  ret void
26
27; CHECK-LABEL: fn1:
28; CHECK: jb
29}
30