[llvm] r281478 - [InstCombine] Merged two test files and regenerated checks using update_test_checks.py. NFC.

[Andrea Di Biagio via llvm-commits]

Author: adibiagio
Date: Wed Sep 14 09:18:21 2016
New Revision: 281478

URL: http://llvm.org/viewvc/llvm-project?rev=281478&view=rev
Log:
[InstCombine] Merged two test files and regenerated checks using update_test_checks.py. NFC.


Added:
    llvm/trunk/test/Transforms/InstCombine/udiv-simplify.ll
Removed:
    llvm/trunk/test/Transforms/InstCombine/udiv-simplify-bug-0.ll
    llvm/trunk/test/Transforms/InstCombine/udiv-simplify-bug-1.ll

Removed: llvm/trunk/test/Transforms/InstCombine/udiv-simplify-bug-0.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/udiv-simplify-bug-0.ll?rev=281477&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/udiv-simplify-bug-0.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/udiv-simplify-bug-0.ll (removed)
@@ -1,14 +0,0 @@
-; RUN: opt < %s -instcombine -S | grep "ret i64 0" | count 2
-
-define i64 @foo(i32 %x) nounwind {
-  %y = lshr i32 %x, 1
-  %r = udiv i32 %y, -1
-  %z = sext i32 %r to i64
-  ret i64 %z
-}
-define i64 @bar(i32 %x) nounwind {
-  %y = lshr i32 %x, 31
-  %r = udiv i32 %y, 3
-  %z = sext i32 %r to i64
-  ret i64 %z
-}

Removed: llvm/trunk/test/Transforms/InstCombine/udiv-simplify-bug-1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/udiv-simplify-bug-1.ll?rev=281477&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/udiv-simplify-bug-1.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/udiv-simplify-bug-1.ll (removed)
@@ -1,20 +0,0 @@
-; RUN: opt < %s -instcombine -S > %t1.ll
-; RUN: grep udiv %t1.ll | count 2
-; RUN: grep zext %t1.ll | count 2
-; PR2274
-
-; The udiv instructions shouldn't be optimized away, and the
-; sext instructions should be optimized to zext.
-
-define i64 @bar(i32 %x, i32 %g) nounwind {
-  %y = lshr i32 %x, 30
-  %r = udiv i32 %y, %g
-  %z = sext i32 %r to i64
-  ret i64 %z
-}
-define i64 @qux(i32 %x, i32 %v) nounwind {
-  %y = lshr i32 %x, 31
-  %r = udiv i32 %y, %v
-  %z = sext i32 %r to i64
-  ret i64 %z
-}

Added: llvm/trunk/test/Transforms/InstCombine/udiv-simplify.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/udiv-simplify.ll?rev=281478&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/udiv-simplify.ll (added)
+++ llvm/trunk/test/Transforms/InstCombine/udiv-simplify.ll Wed Sep 14 09:18:21 2016
@@ -0,0 +1,49 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+define i64 @test1(i32 %x) nounwind {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT:    ret i64 0
+;
+  %y = lshr i32 %x, 1
+  %r = udiv i32 %y, -1
+  %z = sext i32 %r to i64
+  ret i64 %z
+}
+define i64 @test2(i32 %x) nounwind {
+; CHECK-LABEL: @test2(
+; CHECK-NEXT:    ret i64 0
+;
+  %y = lshr i32 %x, 31
+  %r = udiv i32 %y, 3
+  %z = sext i32 %r to i64
+  ret i64 %z
+}
+
+; The udiv instructions shouldn't be optimized away, and the
+; sext instructions should be optimized to zext.
+
+define i64 @test1_PR2274(i32 %x, i32 %g) nounwind {
+; CHECK-LABEL: @test1_PR2274(
+; CHECK-NEXT:    [[Y:%.*]] = lshr i32 %x, 30
+; CHECK-NEXT:    [[R:%.*]] = udiv i32 [[Y]], %g
+; CHECK-NEXT:    [[Z1:%.*]] = zext i32 [[R]] to i64
+; CHECK-NEXT:    ret i64 [[Z1]]
+;
+  %y = lshr i32 %x, 30
+  %r = udiv i32 %y, %g
+  %z = sext i32 %r to i64
+  ret i64 %z
+}
+define i64 @test2_PR2274(i32 %x, i32 %v) nounwind {
+; CHECK-LABEL: @test2_PR2274(
+; CHECK-NEXT:    [[Y:%.*]] = lshr i32 %x, 31
+; CHECK-NEXT:    [[R:%.*]] = udiv i32 [[Y]], %v
+; CHECK-NEXT:    [[Z1:%.*]] = zext i32 [[R]] to i64
+; CHECK-NEXT:    ret i64 [[Z1]]
+;
+  %y = lshr i32 %x, 31
+  %r = udiv i32 %y, %v
+  %z = sext i32 %r to i64
+  ret i64 %z
+}