+++ /dev/null
-; 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
-}
+++ /dev/null
-; 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
-}
--- /dev/null
+; 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
+}