Test case for 3-address conversion.

llvm-svn: 42664

1 files changed, 32 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/X86/2007-10-05-3AddrConvert.ll b/llvm/test/CodeGen/X86/2007-10-05-3AddrConvert.ll
new file mode 100644
index 00000000000..a6d751a88de
--- /dev/null
+++ b/llvm/test/CodeGen/X86/2007-10-05-3AddrConvert.ll
@@ -0,0 +1,32 @@
+; RUN: llvm-as < %s | llc | grep lea
+
+	%struct.anon = type { [3 x double], double, %struct.node*, [64 x %struct.bnode*], [64 x %struct.bnode*] }
+	%struct.bnode = type { i16, double, [3 x double], i32, i32, [3 x double], [3 x double], [3 x double], double, %struct.bnode*, %struct.bnode* }
+	%struct.node = type { i16, double, [3 x double], i32, i32 }
+
+define fastcc void @old_main() {
+entry:
+	%tmp44 = malloc %struct.anon		; <%struct.anon*> [#uses=2]
+	store double 4.000000e+00, double* null, align 4
+	br label %bb41
+
+bb41:		; preds = %uniform_testdata.exit, %entry
+	%i.0110 = phi i32 [ 0, %entry ], [ %tmp48, %uniform_testdata.exit ]		; <i32> [#uses=2]
+	%tmp48 = add i32 %i.0110, 1		; <i32> [#uses=1]
+	br i1 false, label %uniform_testdata.exit, label %bb33.preheader.i
+
+bb33.preheader.i:		; preds = %bb41
+	ret void
+
+uniform_testdata.exit:		; preds = %bb41
+	%tmp57 = getelementptr %struct.anon* %tmp44, i32 0, i32 3, i32 %i.0110		; <%struct.bnode**> [#uses=1]
+	store %struct.bnode* null, %struct.bnode** %tmp57, align 4
+	br i1 false, label %bb154, label %bb41
+
+bb154:		; preds = %bb154, %uniform_testdata.exit
+	br i1 false, label %bb166, label %bb154
+
+bb166:		; preds = %bb154
+	%tmp169 = getelementptr %struct.anon* %tmp44, i32 0, i32 3, i32 0		; <%struct.bnode**> [#uses=0]
+	ret void
+}