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-rw-r--r--llvm/test/Transforms/GlobalOpt/constantfold-initializers.ll28
1 files changed, 26 insertions, 2 deletions
diff --git a/llvm/test/Transforms/GlobalOpt/constantfold-initializers.ll b/llvm/test/Transforms/GlobalOpt/constantfold-initializers.ll
index ce6e2c46d62..53e8465b5e6 100644
--- a/llvm/test/Transforms/GlobalOpt/constantfold-initializers.ll
+++ b/llvm/test/Transforms/GlobalOpt/constantfold-initializers.ll
@@ -50,7 +50,31 @@ entry:
ret void
}
+; PR19955
+
+@dllimportptr = global i32* null, align 4
+; CHECK: @dllimportptr = global i32* null, align 4
+@dllimportvar = external dllimport global i32
+define internal void @test3() {
+entry:
+ store i32* @dllimportvar, i32** @dllimportptr, align 4
+ ret void
+}
+
+@dllexportptr = global i32* null, align 4
+; CHECK: @dllexportptr = global i32* @dllexportvar, align 4
+@dllexportvar = dllexport global i32 0, align 4
+; CHECK: @dllexportvar = dllexport global i32 20, align 4
+define internal void @test4() {
+entry:
+ store i32 20, i32* @dllexportvar, align 4
+ store i32* @dllexportvar, i32** @dllexportptr, align 4
+ ret void
+}
+
@llvm.global_ctors = appending constant
- [2 x { i32, void ()* }]
+ [4 x { i32, void ()* }]
[{ i32, void ()* } { i32 65535, void ()* @test1 },
- { i32, void ()* } { i32 65535, void ()* @test2 }]
+ { i32, void ()* } { i32 65535, void ()* @test2 },
+ { i32, void ()* } { i32 65535, void ()* @test3 },
+ { i32, void ()* } { i32 65535, void ()* @test4 }]
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