1 files changed, 47 insertions, 0 deletions
diff --git a/test/CodeGen/MBlaze/loop.ll b/test/CodeGen/MBlaze/loop.ll
new file mode 100644
index 0000000..b473020
--- /dev/null
+++ b/test/CodeGen/MBlaze/loop.ll
@@ -0,0 +1,47 @@
+; Test some complicated looping constructs to ensure that they
+; compile successfully and that some sort of branching is used
+; in the resulting code.
+;
+; RUN: llc < %s -march=mblaze -mattr=+mul,+fpu,+barrel | FileCheck %s
+
+declare i32 @printf(i8*, ...)
+@MSG = internal constant [19 x i8] c"Message: %d %d %d\0A\00"
+
+define i32 @loop(i32 %a, i32 %b)
+{
+    ; CHECK:        loop:
+entry:
+    br label %loop_outer
+
+loop_outer:
+    %outer.0 = phi i32 [ 0, %entry ], [ %outer.2, %loop_outer_finish ]
+    br label %loop_inner
+
+loop_inner:
+    %inner.0 = phi i32 [ %a, %loop_outer ], [ %inner.3, %loop_inner_finish ]
+    %inner.1 = phi i32 [ %b, %loop_outer ], [ %inner.4, %loop_inner_finish ]
+    %inner.2 = phi i32 [  0, %loop_outer ], [ %inner.5, %loop_inner_finish ]
+    %inner.3 = add i32 %inner.0, %inner.1
+    %inner.4 = mul i32 %inner.2, 11
+    br label %loop_inner_finish
+
+loop_inner_finish:
+    %inner.5 = add i32 %inner.2, 1
+    ; CHECK:        addi {{.*, 1}}
+
+    call i32 (i8*,...)* @printf( i8* getelementptr([19 x i8]* @MSG,i32 0,i32 0),
+                                 i32 %inner.0, i32 %inner.1, i32 %inner.2 )
+    ; CHECK:        brlid
+
+    %inner.6 = icmp eq i32 %inner.5, 100
+    ; CHECK:        cmp
+
+    br i1 %inner.6, label %loop_inner, label %loop_outer_finish
+    ; CHECK:        {{beq|bne}}
+
+loop_outer_finish:
+    %outer.1 = add i32 %outer.0, 1
+    %outer.2 = urem i32 %outer.1, 1500
+    br label %loop_outer
+    ; CHECK:        br
+}