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e584278289
Update some tests with loop invariant instructions so the instructions cannot be hoisted out. This preserves the original test intention after https://github.com/llvm/llvm-project/pull/107894.
61 lines
2.9 KiB
LLVM
61 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt < %s -passes=loop-vectorize -force-vector-width=2 -S | FileCheck %s
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define void @d() {
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; CHECK-LABEL: define void @d() {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 true, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
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; CHECK-NEXT: [[TMP6:%.*]] = load float, ptr null, align 4
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; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[TMP6]], i64 0
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; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x float> [[BROADCAST_SPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr float, ptr @d, i64 [[TMP0]]
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; CHECK-NEXT: [[TMP2:%.*]] = call <2 x i1> @llvm.is.fpclass.v2f32(<2 x float> [[BROADCAST_SPLAT]], i32 0)
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; CHECK-NEXT: [[TMP3:%.*]] = select <2 x i1> [[TMP2]], <2 x float> zeroinitializer, <2 x float> zeroinitializer
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; CHECK-NEXT: [[TMP4:%.*]] = getelementptr float, ptr [[TMP1]], i32 0
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; CHECK-NEXT: store <2 x float> [[TMP3]], ptr [[TMP4]], align 4
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
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; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], 0
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; CHECK-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
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; CHECK: middle.block:
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; CHECK-NEXT: br i1 true, label [[EXIT:%.*]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 0, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I7:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[I3:%.*]] = load float, ptr null, align 4
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; CHECK-NEXT: [[I4:%.*]] = getelementptr float, ptr @d, i64 [[I]]
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; CHECK-NEXT: [[I5:%.*]] = tail call i1 @llvm.is.fpclass.f32(float [[I3]], i32 0)
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; CHECK-NEXT: [[I6:%.*]] = select i1 [[I5]], float 0.000000e+00, float 0.000000e+00
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; CHECK-NEXT: store float [[I6]], ptr [[I4]], align 4
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; CHECK-NEXT: [[I7]] = add i64 [[I]], 1
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; CHECK-NEXT: [[I8:%.*]] = icmp eq i64 [[I7]], 0
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; CHECK-NEXT: br i1 [[I8]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP3:![0-9]+]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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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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%i = phi i64 [ 0, %entry ], [ %i7, %loop ]
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%i3 = load float, ptr null, align 4
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%i4 = getelementptr float, ptr @d, i64 %i
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%i5 = tail call i1 @llvm.is.fpclass.f32(float %i3, i32 0)
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%i6 = select i1 %i5, float 0.0, float 0.0
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store float %i6, ptr %i4, align 4
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%i7 = add i64 %i, 1
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%i8 = icmp eq i64 %i7, 0
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br i1 %i8, label %exit, label %loop
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exit:
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ret void
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}
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declare i1 @llvm.is.fpclass.f32(float, i32 immarg)
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