| ; RUN: opt %s -mergefunc -globalopt -S -o - | FileCheck %s |
| |
| ; Make sure we don't crash on this example. This test is supposed to test that |
| ; MergeFunctions clears its GlobalNumbers value map. If this map still contains |
| ; entries when running globalopt and the MergeFunctions instance is still alive |
| ; the optimization of @G would cause an assert because globalopt would do an |
| ; RAUW on @G which still exists as an entry in the GlobalNumbers ValueMap which |
| ; causes an assert in the ValueHandle call back because we are RAUWing with a |
| ; different type (AllocaInst) than its key type (GlobalValue). |
| |
| @G = internal global i8** null |
| @G2 = internal global i8** null |
| |
| define i32 @main(i32 %argc, i8** %argv) norecurse { |
| ; CHECK: alloca |
| store i8** %argv, i8*** @G |
| ret i32 0 |
| } |
| |
| define internal i8** @dead1(i64 %p) { |
| call void @right(i64 %p) |
| call void @right(i64 %p) |
| call void @right(i64 %p) |
| call void @right(i64 %p) |
| %tmp = load i8**, i8*** @G |
| ret i8** %tmp |
| } |
| |
| define internal i8** @dead2(i64 %p) { |
| call void @right(i64 %p) |
| call void @right(i64 %p) |
| call void @right(i64 %p) |
| call void @right(i64 %p) |
| %tmp = load i8**, i8*** @G2 |
| ret i8** %tmp |
| } |
| |
| define void @left(i64 %p) { |
| entry-block: |
| call void @right(i64 %p) |
| call void @right(i64 %p) |
| call void @right(i64 %p) |
| call void @right(i64 %p) |
| ret void |
| } |
| |
| define void @right(i64 %p) { |
| entry-block: |
| call void @left(i64 %p) |
| call void @left(i64 %p) |
| call void @left(i64 %p) |
| call void @left(i64 %p) |
| ret void |
| } |