[llvm] r313161 - [InstSimplify] regenerate checks; NFC

Sanjay Patel via llvm-commits llvm-commits at lists.llvm.org
Wed Sep 13 10:39:40 PDT 2017


Author: spatel
Date: Wed Sep 13 10:39:39 2017
New Revision: 313161

URL: http://llvm.org/viewvc/llvm-project?rev=313161&view=rev
Log:
[InstSimplify] regenerate checks; NFC

Modified:
    llvm/trunk/test/Transforms/InstSimplify/exact-nsw-nuw.ll

Modified: llvm/trunk/test/Transforms/InstSimplify/exact-nsw-nuw.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstSimplify/exact-nsw-nuw.ll?rev=313161&r1=313160&r2=313161&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstSimplify/exact-nsw-nuw.ll (original)
+++ llvm/trunk/test/Transforms/InstSimplify/exact-nsw-nuw.ll Wed Sep 13 10:39:39 2017
@@ -2,59 +2,70 @@
 
 ; PR8862
 
-; CHECK-LABEL: @shift1(
-; CHECK: ret i32 %A
 define i32 @shift1(i32 %A, i32 %B) {
+; CHECK-LABEL: @shift1(
+; CHECK-NEXT:    ret i32 %A
+;
   %C = lshr exact i32 %A, %B
   %D = shl nuw i32 %C, %B
   ret i32 %D
 }
 
-; CHECK-LABEL: @shift2(
-; CHECK: lshr
-; CHECK: ret i32 %D
 define i32 @shift2(i32 %A, i32 %B) {
+; CHECK-LABEL: @shift2(
+; CHECK-NEXT:    [[C:%.*]] = lshr i32 %A, %B
+; CHECK-NEXT:    [[D:%.*]] = shl nuw i32 [[C]], %B
+; CHECK-NEXT:    ret i32 [[D]]
+;
   %C = lshr i32 %A, %B
   %D = shl nuw i32 %C, %B
   ret i32 %D
 }
 
-; CHECK-LABEL: @shift3(
-; CHECK: ret i32 %A
 define i32 @shift3(i32 %A, i32 %B) {
+; CHECK-LABEL: @shift3(
+; CHECK-NEXT:    ret i32 %A
+;
   %C = ashr exact i32 %A, %B
   %D = shl nuw i32 %C, %B
   ret i32 %D
 }
 
-; CHECK-LABEL: @shift4(
-; CHECK: ret i32 %A
 define i32 @shift4(i32 %A, i32 %B) {
+; CHECK-LABEL: @shift4(
+; CHECK-NEXT:    ret i32 %A
+;
   %C = shl nuw i32 %A, %B
   %D = lshr i32 %C, %B
   ret i32 %D
 }
 
-; CHECK-LABEL: @shift5(
-; CHECK: ret i32 %A
 define i32 @shift5(i32 %A, i32 %B) {
+; CHECK-LABEL: @shift5(
+; CHECK-NEXT:    ret i32 %A
+;
   %C = shl nsw i32 %A, %B
   %D = ashr i32 %C, %B
   ret i32 %D
 }
 
-; CHECK-LABEL: @div1(
-; CHECK: ret i32 0
 define i32 @div1(i32 %V) {
+; CHECK-LABEL: @div1(
+; CHECK-NEXT:    ret i32 0
+;
   %A = udiv i32 %V, -2147483648
   %B = udiv i32 %A, -2147483648
   ret i32 %B
 }
 
-; CHECK-LABEL: @div2(
-; CHECK-NOT: ret i32 0
 define i32 @div2(i32 %V) {
+; CHECK-LABEL: @div2(
+; CHECK-NEXT:    [[A:%.*]] = sdiv i32 %V, -1
+; CHECK-NEXT:    [[B:%.*]] = sdiv i32 [[A]], -2147483648
+; CHECK-NEXT:    ret i32 [[B]]
+;
   %A = sdiv i32 %V, -1
   %B = sdiv i32 %A, -2147483648
   ret i32 %B
 }
+




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