From c17ba8a28d2f83dd320745c0c9994464845ac990 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Fri, 14 Mar 2008 20:44:01 +0000 Subject: Fix PR2138. Apparently any modification to a std::multimap (including remove entries for a different key) can invalidate multimap iterators. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48371 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/2008-03-14-SpillerCrash.ll | 48 +++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 test/CodeGen/X86/2008-03-14-SpillerCrash.ll (limited to 'test') diff --git a/test/CodeGen/X86/2008-03-14-SpillerCrash.ll b/test/CodeGen/X86/2008-03-14-SpillerCrash.ll new file mode 100644 index 0000000..544c9b5 --- /dev/null +++ b/test/CodeGen/X86/2008-03-14-SpillerCrash.ll @@ -0,0 +1,48 @@ +; RUN: llvm-as < %s | llc -mtriple=i386-pc-linux-gnu +; PR2138 + + %struct.__locale_struct = type { [13 x %struct.locale_data*], i16*, i32*, i32*, [13 x i8*] } + %struct.anon = type { i8* } + %struct.locale_data = type { i8*, i8*, i32, i32, { void (%struct.locale_data*)*, %struct.anon }, i32, i32, i32, [0 x %struct.locale_data_value] } + %struct.locale_data_value = type { i32* } + +@wcstoll_l = alias i64 (i32*, i32**, i32, %struct.__locale_struct*)* @__wcstoll_l ; [#uses=0] + +define i64 @____wcstoll_l_internal(i32* %nptr, i32** %endptr, i32 %base, i32 %group, %struct.__locale_struct* %loc) nounwind { +entry: + %tmp27 = load i32* null, align 4 ; [#uses=1] + %tmp83 = getelementptr i32* %nptr, i32 1 ; [#uses=1] + %tmp233 = add i32 0, -48 ; [#uses=1] + br label %bb271.us +bb271.us: ; preds = %entry + br label %bb374.outer +bb311.split: ; preds = %bb305.us + %tmp313 = add i32 %tmp378.us, -48 ; [#uses=1] + br i1 false, label %bb374.outer, label %bb383 +bb327.split: ; preds = %bb314.us + ret i64 0 +bb374.outer: ; preds = %bb311.split, %bb271.us + %tmp370371552.pn.in = phi i32 [ %tmp233, %bb271.us ], [ %tmp313, %bb311.split ] ; [#uses=1] + %tmp278279.pn = phi i64 [ 0, %bb271.us ], [ %tmp373.reg2mem.0.ph, %bb311.split ] ; [#uses=1] + %s.5.ph = phi i32* [ null, %bb271.us ], [ %tmp376.us, %bb311.split ] ; [#uses=1] + %tmp366367550.pn = sext i32 %base to i64 ; [#uses=1] + %tmp370371552.pn = zext i32 %tmp370371552.pn.in to i64 ; [#uses=1] + %tmp369551.pn = mul i64 %tmp278279.pn, %tmp366367550.pn ; [#uses=1] + %tmp373.reg2mem.0.ph = add i64 %tmp370371552.pn, %tmp369551.pn ; [#uses=1] + br label %bb374.us +bb374.us: ; preds = %bb314.us, %bb374.outer + %tmp376.us = getelementptr i32* %s.5.ph, i32 0 ; [#uses=3] + %tmp378.us = load i32* %tmp376.us, align 4 ; [#uses=2] + %tmp302.us = icmp eq i32* %tmp376.us, %tmp83 ; [#uses=1] + %bothcond484.us = or i1 false, %tmp302.us ; [#uses=1] + br i1 %bothcond484.us, label %bb383, label %bb305.us +bb305.us: ; preds = %bb374.us + br i1 false, label %bb311.split, label %bb314.us +bb314.us: ; preds = %bb305.us + %tmp320.us = icmp eq i32 %tmp378.us, %tmp27 ; [#uses=1] + br i1 %tmp320.us, label %bb374.us, label %bb327.split +bb383: ; preds = %bb374.us, %bb311.split + ret i64 0 +} + +declare i64 @__wcstoll_l(i32*, i32**, i32, %struct.__locale_struct*) nounwind -- cgit v1.1