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-rw-r--r--test/CBackend/2004-02-15-PreexistingExternals.llx16
-rw-r--r--test/CodeGen/CBackend/2004-02-15-PreexistingExternals.llx16
2 files changed, 32 insertions, 0 deletions
diff --git a/test/CBackend/2004-02-15-PreexistingExternals.llx b/test/CBackend/2004-02-15-PreexistingExternals.llx
new file mode 100644
index 0000000000..1c07708e57
--- /dev/null
+++ b/test/CBackend/2004-02-15-PreexistingExternals.llx
@@ -0,0 +1,16 @@
+; The intrinsic lowering pass was lowering intrinsics like llvm.memcpy to
+; explicitly specified prototypes, inserting a new function if the old one
+; didn't exist. This caused there to be two external memcpy functions in
+; this testcase for example, which caused the CBE to mangle one, screwing
+; everything up. :( Test that this does not happen anymore.
+;
+; RUN: llvm-as < %s | llc -march=c | not grep _memcpy
+
+declare void %llvm.memcpy(sbyte*, sbyte*, uint,uint)
+declare float* %memcpy(int*, uint,int)
+
+int %test(sbyte *%A, sbyte* %B, int* %C) {
+ call float* %memcpy(int* %C, uint 4, int 17)
+ call void %llvm.memcpy(sbyte* %A, sbyte* %B, uint 123, uint 14)
+ ret int 7
+}
diff --git a/test/CodeGen/CBackend/2004-02-15-PreexistingExternals.llx b/test/CodeGen/CBackend/2004-02-15-PreexistingExternals.llx
new file mode 100644
index 0000000000..1c07708e57
--- /dev/null
+++ b/test/CodeGen/CBackend/2004-02-15-PreexistingExternals.llx
@@ -0,0 +1,16 @@
+; The intrinsic lowering pass was lowering intrinsics like llvm.memcpy to
+; explicitly specified prototypes, inserting a new function if the old one
+; didn't exist. This caused there to be two external memcpy functions in
+; this testcase for example, which caused the CBE to mangle one, screwing
+; everything up. :( Test that this does not happen anymore.
+;
+; RUN: llvm-as < %s | llc -march=c | not grep _memcpy
+
+declare void %llvm.memcpy(sbyte*, sbyte*, uint,uint)
+declare float* %memcpy(int*, uint,int)
+
+int %test(sbyte *%A, sbyte* %B, int* %C) {
+ call float* %memcpy(int* %C, uint 4, int 17)
+ call void %llvm.memcpy(sbyte* %A, sbyte* %B, uint 123, uint 14)
+ ret int 7
+}