new testcase for PR593

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22418 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Alpha/2005-07-12-TwoMallocCalls.ll b/test/CodeGen/Alpha/2005-07-12-TwoMallocCalls.ll
new file mode 100644 (file)
index 0000000..34ad65d
--- /dev/null
+++ b/test/CodeGen/Alpha/2005-07-12-TwoMallocCalls.ll
@@ -0,0 +1,17 @@
+; There should be exactly two calls here (memset and malloc), no more.
+; RUN: llvm-as < %s | llc -march=alpha | grep jsr | wc -l | grep 2
+
+implementation   ; Functions:
+
+declare void %llvm.memset(sbyte*, ubyte, ulong, uint)
+
+bool %l12_l94_bc_divide_endif_2E_3_2E_ce(int* %tmp.71.reload, uint %scale2.1.3, uint %extra.0, %typedef.bc_struct* %n1, %typedef.bc_struct* %n2, int* %tmp.92.reload, uint %tmp.94.reload, int* %tmp.98.reload, uint %tmp.100.reload, sbyte** %tmp.112.out, uint* %tmp.157.out, sbyte** %tmp.158.out) {
+newFuncRoot:
+       %tmp.120 = add uint %extra.0, 2         ; <uint> [#uses=1]
+       %tmp.122 = add uint %tmp.120, %tmp.94.reload            ; <uint> [#uses=1]
+       %tmp.123 = add uint %tmp.122, %tmp.100.reload           ; <uint> [#uses=2]
+       %tmp.112 = malloc sbyte, uint %tmp.123          ; <sbyte*> [#uses=3]
+       %tmp.137 = cast uint %tmp.123 to ulong          ; <ulong> [#uses=1]
+       tail call void %llvm.memset( sbyte* %tmp.112, ubyte 0, ulong %tmp.137, uint 0 )
+       ret bool true
+}