[llvm] 9731836 - [VPlan] Add test for VPExpandSCEVRecipe printing.
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Sun Mar 20 03:12:19 PDT 2022
Author: Florian Hahn
Date: 2022-03-20T10:11:40Z
New Revision: 973183612ea26bdc2394863f38a46514c33dc026
URL: https://github.com/llvm/llvm-project/commit/973183612ea26bdc2394863f38a46514c33dc026
DIFF: https://github.com/llvm/llvm-project/commit/973183612ea26bdc2394863f38a46514c33dc026.diff
LOG: [VPlan] Add test for VPExpandSCEVRecipe printing.
Added:
Modified:
llvm/test/Transforms/LoopVectorize/vplan-printing.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/LoopVectorize/vplan-printing.ll b/llvm/test/Transforms/LoopVectorize/vplan-printing.ll
index afe7e6f20bc91..bc6ba17a481c3 100644
--- a/llvm/test/Transforms/LoopVectorize/vplan-printing.ll
+++ b/llvm/test/Transforms/LoopVectorize/vplan-printing.ll
@@ -391,6 +391,49 @@ exit:
declare float @llvm.sqrt.f32(float) nounwind readnone
declare float @llvm.fmuladd.f32(float, float, float)
+define void @print_expand_scev(i64 %y, i8* %ptr) {
+; CHECK-LABEL: Checking a loop in 'print_expand_scev'
+; CHECK: VPlan 'Initial VPlan for VF={4},UF>=1' {
+; CHECK-NEXT: Live-in vp<%0> = vector-trip-count
+; CHECK-EMPTY:
+; CHECK-NEXT: <x1> vector loop: {
+; CHECK-NEXT: loop:
+; CHECK-NEXT: EMIT vp<[[CAN_IV:%.+]]> = CANONICAL-INDUCTION
+; CHECK-NEXT: WIDEN-INDUCTION\l" +
+; CHECK-NEXT: " %iv = phi %iv.next, 0\l" +
+; CHECK-NEXT: " ir<%v2>
+; CHECK-NEXT: EMIT vp<[[EXP_SCEV:%.+]]> = EXPAND SCEV (1 + (%y /u 492802768830814060))<nuw><nsw>
+; CHECK-NEXT: vp<[[STEPS:%.+]]> = SCALAR-STEPS vp<[[CAN_IV]]>, ir<0>, vp<[[EXP_SCEV]]>
+; CHECK-NEXT: WIDEN ir<%v3> = add ir<%v2>, ir<1>
+; CHECK-NEXT: REPLICATE ir<%gep> = getelementptr ir<%ptr>, vp<[[STEPS]]>
+; CHECK-NEXT: REPLICATE store ir<%v3>, ir<%gep>
+; CHECK-NEXT: EMIT vp<[[CAN_INC:%.+]]> = VF * UF +(nuw) vp<[[CAN_IV]]>
+; CHECK-NEXT: EMIT branch-on-count vp<[[CAN_INC]]> vp<%0>
+; CHECK-NEXT: No successors
+; CHECK-NEXT: }
+; CHECK-NEXT: No successors
+; CHECK-NEXT: }
+;
+entry:
+ %div = udiv i64 %y, 492802768830814060
+ %inc = add i64 %div, 1
+ br label %loop
+
+loop: ; preds = %loop, %entry
+ %iv = phi i64 [ %iv.next, %loop ], [ 0, %entry ]
+ %v2 = trunc i64 %iv to i8
+ %v3 = add i8 %v2, 1
+ %gep = getelementptr inbounds i8, i8* %ptr, i64 %iv
+ store i8 %v3, i8* %gep
+
+ %cmp15 = icmp slt i8 %v3, 10000
+ %iv.next = add i64 %iv, %inc
+ br i1 %cmp15, label %loop, label %loop.exit
+
+loop.exit:
+ ret void
+}
+
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4}
More information about the llvm-commits
mailing list