1 files changed, 155 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Mips/compactbranches/compact-branches.ll b/llvm/test/CodeGen/Mips/compactbranches/compact-branches.ll
new file mode 100644
index 00000000000..e863c740943
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/compactbranches/compact-branches.ll
@@ -0,0 +1,155 @@
+; RUN: llc -march=mipsel -mcpu=mips32r6 -relocation-model=static < %s | FileCheck %s
+
+; Function Attrs: nounwind
+define void @l()  {
+entry:
+  %call = tail call i32 @k()
+  %call1 = tail call i32 @j()
+  %cmp = icmp eq i32 %call, %call1
+; CHECK: bnec
+  br i1 %cmp, label %if.then, label %if.end
+
+if.then:                                          ; preds = %entry:
+; CHECK: nop
+; CHECK: jal
+  tail call void @f(i32 signext -2)
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret void
+}
+
+declare i32 @k()
+
+declare i32 @j()
+
+declare void @f(i32 signext) 
+
+; Function Attrs: define void @l2()  {
+define void @l2()  {
+entry:
+  %call = tail call i32 @k()
+  %call1 = tail call i32 @i()
+  %cmp = icmp eq i32 %call, %call1
+; CHECK beqc
+  br i1 %cmp, label %if.end, label %if.then
+
+if.then:                                          ; preds = %entry:
+; CHECK: nop
+; CHECK: jal
+  tail call void @f(i32 signext -1)
+  br label %if.end
+
+if.end:                                           ; preds = %entry, %if.then
+  ret void
+}
+
+declare i32 @i()
+
+; Function Attrs: nounwind
+define void @l3()  {
+entry:
+  %call = tail call i32 @k()
+  %cmp = icmp slt i32 %call, 0
+; CHECK : bgez
+  br i1 %cmp, label %if.then, label %if.end
+
+if.then:                                          ; preds = %entry:
+; CHECK: nop
+; CHECK: jal
+  tail call void @f(i32 signext 0)
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret void
+}
+
+; Function Attrs: nounwind
+define void @l4()  {
+entry:
+  %call = tail call i32 @k()
+  %cmp = icmp slt i32 %call, 1
+; CHECK: bgtzc
+  br i1 %cmp, label %if.then, label %if.end
+
+if.then:                                          ; preds = %entry:
+; CHECK: nop
+; CHECK: jal
+  tail call void @f(i32 signext 1)
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret void
+}
+
+; Function Attrs: nounwind
+define void @l5()  {
+entry:
+  %call = tail call i32 @k()
+  %cmp = icmp sgt i32 %call, 0
+; CHECK: blezc
+  br i1 %cmp, label %if.then, label %if.end
+
+if.then:                                          ; preds = %entry:
+; CHECK: nop
+; CHECK: jal
+  tail call void @f(i32 signext 2) 
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret void
+}
+
+; Function Attrs: nounwind
+define void @l6()  {
+entry:
+  %call = tail call i32 @k()
+  %cmp = icmp sgt i32 %call, -1
+; CHECK: bltzc
+  br i1 %cmp, label %if.then, label %if.end
+
+if.then:                                          ; preds = %entry:
+; CHECK: nop
+; CHECK: jal
+  tail call void @f(i32 signext 3)
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret void
+}
+
+; Function Attrs: nounwind
+define void @l7()  {
+entry:
+  %call = tail call i32 @k()
+  %cmp = icmp eq i32 %call, 0
+; CHECK: bnezc
+  br i1 %cmp, label %if.then, label %if.end
+
+if.then:                                          ; preds = %entry:
+; CHECK: nop
+; CHECK: jal
+  tail call void @f(i32 signext 4)
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret void
+}
+
+; Function Attrs: nounwind
+define void @l8()  {
+entry:
+  %call = tail call i32 @k()
+  %cmp = icmp eq i32 %call, 0
+; CHECK: beqzc
+  br i1 %cmp, label %if.end, label %if.then
+
+if.then:                                          ; preds = %entry:
+; CHECK: nop
+; CHECK: jal
+  tail call void @f(i32 signext 5)
+  br label %if.end
+
+if.end:                                           ; preds = %entry, %if.then
+  ret void
+}