From b97cebdfcc4d76835961038b79e605b167bd8cc5 Mon Sep 17 00:00:00 2001 From: Benjamin Kramer Date: Fri, 17 Aug 2012 15:54:21 +0000 Subject: TargetLowering: Use the large shift amount during legalize types. The legalizer may call us with an overly large type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162101 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/2012-08-17-legalizer-crash.ll | 32 ++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 test/CodeGen/X86/2012-08-17-legalizer-crash.ll (limited to 'test') diff --git a/test/CodeGen/X86/2012-08-17-legalizer-crash.ll b/test/CodeGen/X86/2012-08-17-legalizer-crash.ll new file mode 100644 index 0000000..a65e688 --- /dev/null +++ b/test/CodeGen/X86/2012-08-17-legalizer-crash.ll @@ -0,0 +1,32 @@ +; RUN: llc < %s | FileCheck %s +; Check that an overly large immediate created by SROA doesn't crash the +; legalizer. + +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-S128" +target triple = "x86_64-apple-macosx10.8.0" + +%struct._GtkSheetRow = type { i32*, i32, i32, i32, %struct._GtkSheetButton, i32, i32 } +%struct._GtkSheetButton = type { i32, i32*, i32, i32*, i32 } + +@a = common global %struct._GtkSheetRow* null, align 8 + +define void @fn1() nounwind uwtable ssp { +entry: + %0 = load %struct._GtkSheetRow** @a, align 8 + %1 = bitcast %struct._GtkSheetRow* %0 to i576* + %srcval2 = load i576* %1, align 8 + %tobool = icmp ugt i576 %srcval2, 57586096570152913699974892898380567793532123114264532903689671329431521032595044740083720782129802971518987656109067457577065805510327036019308994315074097345724415 + br i1 %tobool, label %if.then, label %if.end + +if.then: ; preds = %entry + store i576 %srcval2, i576* %1, align 8 + br label %if.end + +if.end: ; preds = %if.then, %entry + ret void + +; CHECK: fn1: +; CHECK: shrq $32, [[REG:%.*]] +; CHECK: testq [[REG]], [[REG]] +; CHECK: je +} -- cgit v1.1