[llvm-commits] [llvm] r108362 - in /llvm/trunk/test/FrontendC: 2010-07-14-overconservative-align.c 2010-07-14-ref-off-end.c

Dale Johannesen dalej at apple.com
Wed Jul 14 14:22:35 PDT 2010


Author: johannes
Date: Wed Jul 14 16:22:35 2010
New Revision: 108362

URL: http://llvm.org/viewvc/llvm-project?rev=108362&view=rev
Log:
Tests for llvm-gcc commit 108360.


Added:
    llvm/trunk/test/FrontendC/2010-07-14-overconservative-align.c
    llvm/trunk/test/FrontendC/2010-07-14-ref-off-end.c

Added: llvm/trunk/test/FrontendC/2010-07-14-overconservative-align.c
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/FrontendC/2010-07-14-overconservative-align.c?rev=108362&view=auto
==============================================================================
--- llvm/trunk/test/FrontendC/2010-07-14-overconservative-align.c (added)
+++ llvm/trunk/test/FrontendC/2010-07-14-overconservative-align.c Wed Jul 14 16:22:35 2010
@@ -0,0 +1,14 @@
+// RUN: %llvmgcc %s -emit-llvm -m64 -S -o - | FileCheck %s
+// PR 5995
+struct s {
+    int word;
+    struct {
+        int filler __attribute__ ((aligned (8)));
+    };
+};
+
+void func (struct s *s)
+{
+// CHECK: load %struct.s** %s_addr, align 8
+    s->word = 0;
+}

Added: llvm/trunk/test/FrontendC/2010-07-14-ref-off-end.c
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/FrontendC/2010-07-14-ref-off-end.c?rev=108362&view=auto
==============================================================================
--- llvm/trunk/test/FrontendC/2010-07-14-ref-off-end.c (added)
+++ llvm/trunk/test/FrontendC/2010-07-14-ref-off-end.c Wed Jul 14 16:22:35 2010
@@ -0,0 +1,27 @@
+// RUN: %llvmgcc %s -S -m32 -o - | FileCheck %s
+// Formerly this generated code that did a load past the end of the structure.
+// That was fixed by 46726, but that patch had bad side effects and was
+// reverted.  This has been fixed another way in the meantime.
+extern void abort();
+extern void exit(int);
+struct T
+{
+unsigned i:8;
+unsigned c:24;
+};
+f(struct T t)
+{
+struct T s[1];
+s[0]=t;
+return(char)s->c;
+}
+main()
+{
+// CHECK:  getelementptr inbounds %struct.T* %t, i32 0, i32 0 ; <i32*> [#uses=2]
+// CHECK:  getelementptr inbounds %struct.T* %t, i32 0, i32 0 ; <i32*> [#uses=2]
+struct T t;
+t.i=0xff;
+t.c=0xffff11;
+if(f(t)!=0x11)abort();
+exit(0);
+}





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