From 06769841175f2fcdc505a4683117df31ea938613 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 31 Aug 2010 18:44:03 +0000
Subject: [PATCH] merge two tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112617 91177308-0d34-0410-b5e6-96231b3b80d8
---
.../TailCallElim/accum_recursion.ll | 36 ++++++++++++++++++-
test/Transforms/TailCallElim/switch.ll | 34 ------------------
2 files changed, 35 insertions(+), 35 deletions(-)
delete mode 100644 test/Transforms/TailCallElim/switch.ll
diff --git a/test/Transforms/TailCallElim/accum_recursion.ll b/test/Transforms/TailCallElim/accum_recursion.ll
index 66928a30324..9475f87e8f5 100644
--- a/test/Transforms/TailCallElim/accum_recursion.ll
+++ b/test/Transforms/TailCallElim/accum_recursion.ll
@@ -37,4 +37,38 @@ return: ; preds = %entry
; CHECK: define i32 @test2_mul
; CHECK: phi i32
; CHECK-NOT: call i32
-; CHECK: return:
\ No newline at end of file
+; CHECK: return:
+
+
+define i64 @test3_fib(i64 %n) nounwind readnone {
+; CHECK: @test3_fib
+entry:
+; CHECK: tailrecurse:
+; CHECK: %accumulator.tr = phi i64 [ %n, %entry ], [ %3, %bb1 ]
+; CHECK: %n.tr = phi i64 [ %n, %entry ], [ %2, %bb1 ]
+ switch i64 %n, label %bb1 [
+; CHECK: switch i64 %n.tr, label %bb1 [
+ i64 0, label %bb2
+ i64 1, label %bb2
+ ]
+
+bb1:
+; CHECK: bb1:
+ %0 = add i64 %n, -1
+; CHECK: %0 = add i64 %n.tr, -1
+ %1 = tail call i64 @test3_fib(i64 %0) nounwind
+; CHECK: %1 = tail call i64 @test3_fib(i64 %0)
+ %2 = add i64 %n, -2
+; CHECK: %2 = add i64 %n.tr, -2
+ %3 = tail call i64 @test3_fib(i64 %2) nounwind
+; CHECK-NOT: tail call i64 @test3_fib
+ %4 = add nsw i64 %3, %1
+; CHECK: add nsw i64 %accumulator.tr, %1
+ ret i64 %4
+; CHECK: br label %tailrecurse
+
+bb2:
+; CHECK: bb2:
+ ret i64 %n
+; CHECK: ret i64 %accumulator.tr
+}
diff --git a/test/Transforms/TailCallElim/switch.ll b/test/Transforms/TailCallElim/switch.ll
deleted file mode 100644
index 33884318b0c..00000000000
--- a/test/Transforms/TailCallElim/switch.ll
+++ /dev/null
@@ -1,34 +0,0 @@
-; RUN: opt %s -tailcallelim -S | FileCheck %s
-
-define i64 @fib(i64 %n) nounwind readnone {
-; CHECK: @fib
-entry:
-; CHECK: tailrecurse:
-; CHECK: %accumulator.tr = phi i64 [ %n, %entry ], [ %3, %bb1 ]
-; CHECK: %n.tr = phi i64 [ %n, %entry ], [ %2, %bb1 ]
- switch i64 %n, label %bb1 [
-; CHECK: switch i64 %n.tr, label %bb1 [
- i64 0, label %bb2
- i64 1, label %bb2
- ]
-
-bb1:
-; CHECK: bb1:
- %0 = add i64 %n, -1
-; CHECK: %0 = add i64 %n.tr, -1
- %1 = tail call i64 @fib(i64 %0) nounwind
-; CHECK: %1 = tail call i64 @fib(i64 %0)
- %2 = add i64 %n, -2
-; CHECK: %2 = add i64 %n.tr, -2
- %3 = tail call i64 @fib(i64 %2) nounwind
-; CHECK-NOT: tail call i64 @fib
- %4 = add nsw i64 %3, %1
-; CHECK: add nsw i64 %accumulator.tr, %1
- ret i64 %4
-; CHECK: br label %tailrecurse
-
-bb2:
-; CHECK: bb2:
- ret i64 %n
-; CHECK: ret i64 %accumulator.tr
-}