forked from OSchip/llvm-project
[LV] Add additional tests for pointer select support.
Additional test cases for D114487.
This commit is contained in:
Florian Hahn
parent
9e3919dac4
commit
72aca94b90
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=loop-vectorize -force-vector-width=1 -force-vector-interleave=2 -S %s | FileCheck %s
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define void @test1_select_invariant(ptr %src.1, ptr %src.2, ptr %dst, i1 %c, i8 %n) {
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; CHECK-LABEL: @test1_select_invariant(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[PTR_SEL:%.*]] = select i1 [[C:%.*]], ptr [[SRC_1:%.*]], ptr [[SRC_2:%.*]]
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; CHECK-NEXT: [[TMP0:%.*]] = add i8 [[N:%.*]], -1
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; CHECK-NEXT: [[TMP1:%.*]] = zext i8 [[TMP0]] to i32
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; CHECK-NEXT: [[TMP2:%.*]] = add nuw nsw i32 [[TMP1]], 1
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP2]], 2
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %scalar.ph, label %vector.memcheck
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; CHECK: vector.memcheck:
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; CHECK-NEXT: [[TMP3:%.*]] = add i8 [[N]], -1
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; CHECK-NEXT: [[TMP4:%.*]] = zext i8 [[TMP3]] to i64
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; CHECK-NEXT: [[TMP5:%.*]] = add nuw nsw i64 [[TMP4]], 1
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; CHECK-NEXT: [[UGLYGEP:%.*]] = getelementptr i8, ptr [[DST:%.*]], i64 [[TMP5]]
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; CHECK-NEXT: [[UGLYGEP1:%.*]] = getelementptr i8, ptr [[PTR_SEL]], i64 1
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; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[DST]], [[UGLYGEP1]]
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; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[PTR_SEL]], [[UGLYGEP]]
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; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
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; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label %scalar.ph, label %vector.ph
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;
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entry:
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%ptr.sel = select i1 %c, ptr %src.1, ptr %src.2
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br label %loop
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loop:
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%iv = phi i8 [ 0, %entry ], [ %iv.next, %loop ]
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%l.1 = load i8, ptr %ptr.sel, align 8
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%gep.dst = getelementptr i8, ptr %dst, i8 %iv
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store i8 %l.1, ptr %gep.dst, align 2
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%iv.next = add nsw nuw i8 %iv, 1
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%ec = icmp eq i8 %iv.next, %n
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br i1 %ec, label %exit, label %loop
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exit:
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ret void
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}
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define void @test_loop_dependent_select1(ptr %src.1, ptr %src.2, ptr %dst, i1 %c, i8 %n) {
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; CHECK-LABEL: @test_loop_dependent_select1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label %loop
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; CHECK-NOT: vector.body:
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;
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entry:
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br label %loop
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loop:
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%iv = phi i8 [ 0, %entry ], [ %iv.next, %loop ]
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%gep.src.1 = getelementptr i8, ptr %src.1, i8 %iv
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%gep.src.2 = getelementptr i8, ptr %src.2, i8 %iv
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%ptr.sel = select i1 %c, ptr %gep.src.1, ptr %gep.src.2
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%l.1 = load i8, ptr %ptr.sel, align 8
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%gep.dst = getelementptr i8, ptr %dst, i8 %iv
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store i8 %l.1, ptr %gep.dst, align 2
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%iv.next = add nsw nuw i8 %iv, 1
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%ec = icmp eq i8 %iv.next, %n
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br i1 %ec, label %exit, label %loop
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exit:
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ret void
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}
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define void @test_loop_dependent_select2(ptr %src.1, ptr %src.2, ptr %dst, i8 %n, i8 %x) {
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; CHECK-LABEL: @test_loop_dependent_select2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label %loop
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; CHECK-NOT: vector.body:
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;
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entry:
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br label %loop
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loop:
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%iv = phi i8 [ 0, %entry ], [ %iv.next, %loop ]
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%c = icmp ult i8 %iv, %x
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%ptr.sel = select i1 %c, ptr %src.1, ptr %src.2
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%l.1 = load i8, ptr %ptr.sel, align 8
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%gep.dst = getelementptr i8, ptr %dst, i8 %iv
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store i8 %l.1, ptr %gep.dst, align 2
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%iv.next = add nsw nuw i8 %iv, 1
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%ec = icmp eq i8 %iv.next, %n
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br i1 %ec, label %exit, label %loop
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exit:
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ret void
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}
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define void @test_loop_dependent_select_first_ptr_noundef(ptr noundef %src.1, ptr %src.2, ptr %dst, i8 %n, i8 %x) {
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; CHECK-LABEL: @test_loop_dependent_select_first_ptr_noundef(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label %loop
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; CHECK-NOT: vector.body:
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;
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entry:
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br label %loop
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loop:
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%iv = phi i8 [ 0, %entry ], [ %iv.next, %loop ]
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%c = icmp ult i8 %iv, %x
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%ptr.sel = select i1 %c, ptr %src.1, ptr %src.2
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%l.1 = load i8, ptr %ptr.sel, align 8
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%gep.dst = getelementptr i8, ptr %dst, i8 %iv
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store i8 %l.1, ptr %gep.dst, align 2
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%iv.next = add nsw nuw i8 %iv, 1
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%ec = icmp eq i8 %iv.next, %n
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br i1 %ec, label %exit, label %loop
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exit:
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ret void
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}
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define void @test_loop_dependent_select_second_ptr_noundef(ptr %src.1, ptr noundef %src.2, ptr %dst, i8 %n, i8 %x) {
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; CHECK-LABEL: @test_loop_dependent_select_second_ptr_noundef(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label %loop
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; CHECK-NOT: vector.body:
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;
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entry:
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br label %loop
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loop:
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%iv = phi i8 [ 0, %entry ], [ %iv.next, %loop ]
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%c = icmp ult i8 %iv, %x
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%ptr.sel = select i1 %c, ptr %src.1, ptr %src.2
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%l.1 = load i8, ptr %ptr.sel, align 8
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%gep.dst = getelementptr i8, ptr %dst, i8 %iv
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store i8 %l.1, ptr %gep.dst, align 2
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%iv.next = add nsw nuw i8 %iv, 1
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%ec = icmp eq i8 %iv.next, %n
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br i1 %ec, label %exit, label %loop
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exit:
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ret void
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}
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