Add trunc->branch support, this won't help with clang's i8->i1 truncations

for bools, but is a start.

llvm-svn: 130534

1 files changed, 16 insertions, 1 deletions

diff --git a/llvm/test/CodeGen/ARM/fast-isel.ll b/llvm/test/CodeGen/ARM/fast-isel.ll
index dd806ec6f1a..c8637d1fe5e 100644
--- a/llvm/test/CodeGen/ARM/fast-isel.ll
+++ b/llvm/test/CodeGen/ARM/fast-isel.ll
@@ -13,4 +13,19 @@ entry:
   %tmp1 = load i32* %b.addr
   %add = add nsw i32 %tmp, %tmp1
   ret i32 %add
-}
\ No newline at end of file
+}
+
+define void @test1(i32 %tmp) nounwind {
+entry:
+%tobool = trunc i32 %tmp to i1
+br i1 %tobool, label %if.then, label %if.end
+
+if.then:                                          ; preds = %entry
+call void @test1(i32 0)
+br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+ret void
+; CHECK: test1:
+; CHECK: tst	r0, #1
+}