fix PR6435 another bug from the MallocInst elimination work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97231 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 27 insertions, 0 deletions

diff --git a/test/Transforms/GlobalOpt/2010-02-26-MallocSROA.ll b/test/Transforms/GlobalOpt/2010-02-26-MallocSROA.ll
new file mode 100644
index 0000000..6f1996a
--- /dev/null
+++ b/test/Transforms/GlobalOpt/2010-02-26-MallocSROA.ll
@@ -0,0 +1,27 @@
+; RUN: opt -globalopt -S %s
+; PR6435
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+target triple = "x86_64-unknown-linux-gnu"
+
+%struct.xyz = type { double, i32 }
+
+@Y = internal global %struct.xyz* null            ; <%struct.xyz**> [#uses=2]
+@numf2s = external global i32                     ; <i32*> [#uses=1]
+
+define fastcc void @init_net() nounwind {
+entry:
+  %0 = load i32* @numf2s, align 4                 ; <i32> [#uses=1]
+  %mallocsize2 = shl i32 %0, 4                    ; <i32> [#uses=1]
+  %malloccall3 = tail call i8* @malloc(i32 %mallocsize2) nounwind ; <i8*> [#uses=1]
+  %1 = bitcast i8* %malloccall3 to %struct.xyz*   ; <%struct.xyz*> [#uses=1]
+  store %struct.xyz* %1, %struct.xyz** @Y, align 8
+  ret void
+}
+
+define fastcc void @load_train(i8* %trainfile, i32 %mode, i32 %objects) nounwind {
+entry:
+  %0 = load %struct.xyz** @Y, align 8             ; <%struct.xyz*> [#uses=0]
+  ret void
+}
+
+declare noalias i8* @malloc(i32)