From 7eb4fa6dcb2e47c45723c741c944a0587a08b697 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 2 Dec 2009 05:32:16 +0000
Subject: [PATCH] filecheckize

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90291 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/InstCombine/sext-misc.ll | 69 ++++++++++++++++++------
 1 file changed, 54 insertions(+), 15 deletions(-)

diff --git a/test/Transforms/InstCombine/sext-misc.ll b/test/Transforms/InstCombine/sext-misc.ll
index 3346ff87add..1acf468c425 100644
--- a/test/Transforms/InstCombine/sext-misc.ll
+++ b/test/Transforms/InstCombine/sext-misc.ll
@@ -1,4 +1,4 @@
-; RUN: opt < %s -instcombine -S | not grep sext
+; RUN: opt < %s -instcombine -S | FileCheck %s
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
 
@@ -6,53 +6,82 @@ declare i32 @llvm.ctpop.i32(i32)
 declare i32 @llvm.ctlz.i32(i32)
 declare i32 @llvm.cttz.i32(i32)
 
-define i64 @foo(i32 %x) {
+define i64 @test1(i32 %x) {
   %t = call i32 @llvm.ctpop.i32(i32 %x)
   %s = sext i32 %t to i64
   ret i64 %s
+  
+; CHECK: @test1
+; CHECK: zext i32 %t
 }
-define i64 @boo(i32 %x) {
+
+define i64 @test2(i32 %x) {
   %t = call i32 @llvm.ctlz.i32(i32 %x)
   %s = sext i32 %t to i64
   ret i64 %s
+
+; CHECK: @test2
+; CHECK: zext i32 %t
 }
-define i64 @zoo(i32 %x) {
+
+define i64 @test3(i32 %x) {
   %t = call i32 @llvm.cttz.i32(i32 %x)
   %s = sext i32 %t to i64
   ret i64 %s
+
+; CHECK: @test3
+; CHECK: zext i32 %t
 }
-define i64 @coo(i32 %x) {
+
+define i64 @test4(i32 %x) {
   %t = udiv i32 %x, 3
   %s = sext i32 %t to i64
   ret i64 %s
+
+; CHECK: @test4
+; CHECK: zext i32 %t
 }
-define i64 @moo(i32 %x) {
+
+define i64 @test5(i32 %x) {
   %t = urem i32 %x, 30000
   %s = sext i32 %t to i64
   ret i64 %s
+; CHECK: @test5
+; CHECK: zext i32 %t
 }
-define i64 @yoo(i32 %x) {
+
+define i64 @test6(i32 %x) {
   %u = lshr i32 %x, 3
   %t = mul i32 %u, 3
   %s = sext i32 %t to i64
   ret i64 %s
+; CHECK: @test6
+; CHECK: zext i32 %t
 }
-define i64 @voo(i32 %x) {
+
+define i64 @test7(i32 %x) {
   %t = and i32 %x, 511
   %u = sub i32 20000, %t
   %s = sext i32 %u to i64
   ret i64 %s
+; CHECK: @test7
+; CHECK: zext i32 %u to i64
 }
-define i32 @woo(i8 %a, i32 %f, i1 %p, i32* %z) {
+
+define i32 @test8(i8 %a, i32 %f, i1 %p, i32* %z) {
   %d = lshr i32 %f, 24
   %e = select i1 %p, i32 %d, i32 0
   %s = trunc i32 %e to i16
   %n = sext i16 %s to i32
   ret i32 %n
+; CHECK: @test8
+; CHECK: %d = lshr i32 %f, 24
+; CHECK: %n = select i1 %p, i32 %d, i32 0
+; CHECK: ret i32 %n
 }
 
 ; rdar://6013816
-define i16 @test(i16 %t, i1 %cond) nounwind {
+define i16 @test9(i16 %t, i1 %cond) nounwind {
 entry:
 	br i1 %cond, label %T, label %F
 T:
@@ -63,15 +92,25 @@ F:
 	%V = phi i32 [%t2, %T], [42, %entry]
 	%W = trunc i32 %V to i16
 	ret i16 %W
+; CHECK: @test9
+; CHECK: T:
+; CHECK-NEXT: br label %F
+; CHECK: F:
+; CHECK-NEXT: phi i16
+; CHECK-NEXT: ret i16
 }
 
 ; PR2638
-define i32 @test2(i32 %i) nounwind  {
+define i32 @test10(i32 %i) nounwind  {
 entry:
-        %tmp12 = trunc i32 %i to i8             ; <i8> [#uses=1]
-        %tmp16 = shl i8 %tmp12, 6               ; <i8> [#uses=1]
-        %a = ashr i8 %tmp16, 6            ; <i8> [#uses=1]
-        %b = sext i8 %a to i32            ; <i32> [#uses=1]
+        %tmp12 = trunc i32 %i to i8
+        %tmp16 = shl i8 %tmp12, 6
+        %a = ashr i8 %tmp16, 6 
+        %b = sext i8 %a to i32 
         ret i32 %b
+; CHECK: @test10
+; CHECK:  shl i32 %i, 30
+; CHECK-NEXT: ashr i32
+; CHECK-NEXT: ret i32
 }
 
-- 
2.34.1