a5242483e4
Now that SCEV has a dedicated vscale node type, we should also map vscale intrinsics to it. To make sure this does not regress ranges (which were KnownBits based previously), add support for vscale to getRangeRef() as well. Differential Revision: https://reviews.llvm.org/D146226
77 lines
2.9 KiB
LLVM
77 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
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; RUN: opt "-passes=print<scalar-evolution>" -disable-output < %s 2>&1 | FileCheck %s
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define void @vscale_gep(ptr %p) {
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; CHECK-LABEL: 'vscale_gep'
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; CHECK-NEXT: Classifying expressions for: @vscale_gep
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; CHECK-NEXT: %1 = getelementptr <vscale x 4 x i32>, ptr null, i32 3
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; CHECK-NEXT: --> ((48 * vscale) + null) U: [0,-15) S: [-9223372036854775808,9223372036854775793)
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; CHECK-NEXT: %2 = getelementptr <vscale x 1 x i64>, ptr %p, i32 1
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; CHECK-NEXT: --> ((8 * vscale) + %p) U: full-set S: full-set
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; CHECK-NEXT: Determining loop execution counts for: @vscale_gep
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;
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getelementptr <vscale x 4 x i32>, ptr null, i32 3
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getelementptr <vscale x 1 x i64>, ptr %p, i32 1
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ret void
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}
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define void @vscale_gep_range(ptr %p) vscale_range(2, 16) {
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; CHECK-LABEL: 'vscale_gep_range'
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; CHECK-NEXT: Classifying expressions for: @vscale_gep_range
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; CHECK-NEXT: %1 = getelementptr <vscale x 4 x i32>, ptr null, i32 3
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; CHECK-NEXT: --> ((48 * vscale)<nuw><nsw> + null) U: [96,769) S: [96,769)
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; CHECK-NEXT: %2 = getelementptr <vscale x 1 x i64>, ptr %p, i32 1
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; CHECK-NEXT: --> ((8 * vscale)<nuw><nsw> + %p) U: full-set S: full-set
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; CHECK-NEXT: Determining loop execution counts for: @vscale_gep_range
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;
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getelementptr <vscale x 4 x i32>, ptr null, i32 3
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getelementptr <vscale x 1 x i64>, ptr %p, i32 1
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ret void
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}
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define i64 @vscale_no_range() {
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; CHECK-LABEL: 'vscale_no_range'
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; CHECK-NEXT: Classifying expressions for: @vscale_no_range
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; CHECK-NEXT: %vscale = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: --> vscale U: [1,0) S: [1,0)
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; CHECK-NEXT: Determining loop execution counts for: @vscale_no_range
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;
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%vscale = call i64 @llvm.vscale.i64()
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ret i64 %vscale
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}
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define i64 @vscale_min_max_range() vscale_range(2, 16) {
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; CHECK-LABEL: 'vscale_min_max_range'
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; CHECK-NEXT: Classifying expressions for: @vscale_min_max_range
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; CHECK-NEXT: %vscale = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: --> vscale U: [2,17) S: [2,17)
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; CHECK-NEXT: Determining loop execution counts for: @vscale_min_max_range
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;
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%vscale = call i64 @llvm.vscale.i64()
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ret i64 %vscale
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}
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define i64 @vscale_min_range() vscale_range(2, 0) {
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; CHECK-LABEL: 'vscale_min_range'
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; CHECK-NEXT: Classifying expressions for: @vscale_min_range
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; CHECK-NEXT: %vscale = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: --> vscale U: [2,0) S: [2,0)
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; CHECK-NEXT: Determining loop execution counts for: @vscale_min_range
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;
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%vscale = call i64 @llvm.vscale.i64()
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ret i64 %vscale
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}
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define i64 @vscale_exact_range() vscale_range(2) {
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; CHECK-LABEL: 'vscale_exact_range'
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; CHECK-NEXT: Classifying expressions for: @vscale_exact_range
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; CHECK-NEXT: %vscale = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: --> vscale U: [2,3) S: [2,3)
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; CHECK-NEXT: Determining loop execution counts for: @vscale_exact_range
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;
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%vscale = call i64 @llvm.vscale.i64()
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ret i64 %vscale
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}
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declare i64 @llvm.vscale.i64()
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