From c72b18cdc8f155dbb99d554056f3bb6b38f5f72c Mon Sep 17 00:00:00 2001
From: Dale Johannesen <dalej@apple.com>
Date: Tue, 21 Dec 2010 21:55:50 +0000
Subject: Reapply 122353-122355 with fixes.  122354 was wrong; the shift type
 was needed one place, the shift count type another.  The transform in 123555
 had the same problem.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122366 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/divide-by-constant.ll  |  6 +++---
 test/CodeGen/X86/x86-64-extend-shift.ll | 10 ++++++++++
 2 files changed, 13 insertions(+), 3 deletions(-)
 create mode 100644 test/CodeGen/X86/x86-64-extend-shift.ll

(limited to 'test')

diff --git a/test/CodeGen/X86/divide-by-constant.ll b/test/CodeGen/X86/divide-by-constant.ll
index ab3bd94..545662f 100644
--- a/test/CodeGen/X86/divide-by-constant.ll
+++ b/test/CodeGen/X86/divide-by-constant.ll
@@ -29,9 +29,9 @@ entry:
   ret i8 %div
 
 ; CHECK: test3:
-; CHECK: imull	$171, %eax, %eax
-; CHECK-NEXT: shrb	%ah
-; CHECK-NEXT: movzbl	%ah, %eax
+; CHECK: movzbl  8(%esp), %eax
+; CHECK-NEXT: imull	$171, %eax, %eax
+; CHECK-NEXT: shrl	$9, %eax
 ; CHECK-NEXT: ret
 }
 
diff --git a/test/CodeGen/X86/x86-64-extend-shift.ll b/test/CodeGen/X86/x86-64-extend-shift.ll
new file mode 100644
index 0000000..6852785
--- /dev/null
+++ b/test/CodeGen/X86/x86-64-extend-shift.ll
@@ -0,0 +1,10 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
+; Formerly there were two shifts.
+
+define i64 @baz(i32 %A) nounwind {
+; CHECK:  shlq  $49, %rax
+        %tmp1 = shl i32 %A, 17
+        %tmp2 = zext i32 %tmp1 to i64
+        %tmp3 = shl i64 %tmp2, 32
+        ret i64 %tmp3
+}
-- 
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