aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr49911.C
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr49911.C')
-rw-r--r--gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr49911.C41
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr49911.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr49911.C
new file mode 100644
index 000000000..520a7750d
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr49911.C
@@ -0,0 +1,41 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fstrict-enums -fno-rtti -fno-exceptions -fno-strict-aliasing -fdump-tree-vrp2" } */
+
+
+extern void JS_Assert();
+typedef enum {
+eax, ecx, edx, ebx, esp, ebp,
+esi, edi }
+RegisterID;
+union StateRemat {
+ RegisterID reg_;
+ int offset_;
+};
+static StateRemat FromRegister(RegisterID reg) {
+ StateRemat sr;
+ sr.reg_ = reg;
+ return sr;
+}
+static StateRemat FromAddress3(int address) {
+ StateRemat sr;
+ sr.offset_ = address;
+ //sr.offset_ = 0;
+ if (address < 46 && address >= 0) {
+ JS_Assert();
+ }
+ return sr;
+}
+struct FrameState {
+ StateRemat dataRematInfo2(bool y, int z) {
+ if (y) return FromRegister(RegisterID(1));
+ return FromAddress3(z);
+ }
+};
+FrameState frame;
+StateRemat x;
+void jsop_setelem(bool y, int z) {
+ x = frame.dataRematInfo2(y, z);
+}
+
+/* { dg-final { scan-tree-dump-times "Folding predicate.*45" 0 "vrp2"} } */
+/* { dg-final { cleanup-tree-dump "vrp2" } } */