derek.holloway
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114 lines
6.5 KiB
LLVM
114 lines
6.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
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; RUN: opt < %s -passes=instcombine -mtriple=wasm32-unknown-unknown -S | FileCheck %s
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; REQUIRES: testStabilty
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; swizzle with a constant operand should be optimized to a shufflevector.
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; Identity swizzle pattern
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define <16 x i8> @swizzle_identity(<16 x i8> %v) {
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; CHECK-LABEL: define <16 x i8> @swizzle_identity(
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; CHECK-SAME: <16 x i8> [[V:%.*]]) {
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; CHECK-NEXT: ret <16 x i8> [[V]]
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;
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%result = tail call <16 x i8> @llvm.wasm.swizzle(<16 x i8> %v, <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>)
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ret <16 x i8> %result
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}
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; Reverse swizzle pattern
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define <16 x i8> @swizzle_reverse(<16 x i8> %v) {
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; CHECK-LABEL: define <16 x i8> @swizzle_reverse(
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; CHECK-SAME: <16 x i8> [[V:%.*]]) {
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; CHECK-NEXT: [[RESULT:%.*]] = shufflevector <16 x i8> [[V]], <16 x i8> poison, <16 x i32> <i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
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; CHECK-NEXT: ret <16 x i8> [[RESULT]]
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;
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%result = tail call <16 x i8> @llvm.wasm.swizzle(<16 x i8> %v, <16 x i8> <i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>)
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ret <16 x i8> %result
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}
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; poison elements
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define <16 x i8> @swizzle_with_poison(<16 x i8> %v) {
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; CHECK-LABEL: define <16 x i8> @swizzle_with_poison(
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; CHECK-SAME: <16 x i8> [[V:%.*]]) {
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; CHECK-NEXT: [[RESULT:%.*]] = shufflevector <16 x i8> [[V]], <16 x i8> poison, <16 x i32> <i32 0, i32 poison, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
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; CHECK-NEXT: ret <16 x i8> [[RESULT]]
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;
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%result = tail call <16 x i8> @llvm.wasm.swizzle(<16 x i8> %v, <16 x i8> <i8 0, i8 poison, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>)
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ret <16 x i8> %result
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}
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; Negative test: non-constant operand
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define <16 x i8> @swizzle_non_constant(<16 x i8> %v, <16 x i8> %mask) {
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; CHECK-LABEL: define <16 x i8> @swizzle_non_constant(
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; CHECK-SAME: <16 x i8> [[V:%.*]], <16 x i8> [[MASK:%.*]]) {
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; CHECK-NEXT: [[RESULT:%.*]] = tail call <16 x i8> @llvm.wasm.swizzle(<16 x i8> [[V]], <16 x i8> [[MASK]])
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; CHECK-NEXT: ret <16 x i8> [[RESULT]]
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;
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%result = tail call <16 x i8> @llvm.wasm.swizzle(<16 x i8> %v, <16 x i8> %mask)
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ret <16 x i8> %result
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}
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; Out-of-bounds index, otherwise identity pattern
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define <16 x i8> @swizzle_out_of_bounds_1(<16 x i8> %v) {
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; CHECK-LABEL: define <16 x i8> @swizzle_out_of_bounds_1(
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; CHECK-SAME: <16 x i8> [[V:%.*]]) {
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; CHECK-NEXT: [[RESULT1:%.*]] = insertelement <16 x i8> [[V]], i8 0, i64 15
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; CHECK-NEXT: ret <16 x i8> [[RESULT1]]
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;
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%result = tail call <16 x i8> @llvm.wasm.swizzle(<16 x i8> %v, <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 16>)
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ret <16 x i8> %result
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}
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; Out-of-bounds indices, both negative and positive
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define <16 x i8> @swizzle_out_of_bounds_2(<16 x i8> %v) {
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; CHECK-LABEL: define <16 x i8> @swizzle_out_of_bounds_2(
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; CHECK-SAME: <16 x i8> [[V:%.*]]) {
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; CHECK-NEXT: [[RESULT:%.*]] = shufflevector <16 x i8> [[V]], <16 x i8> <i8 0, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison>, <16 x i32> <i32 16, i32 16, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
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; CHECK-NEXT: ret <16 x i8> [[RESULT]]
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;
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%result = tail call <16 x i8> @llvm.wasm.swizzle(<16 x i8> %v, <16 x i8> <i8 99, i8 -1, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>)
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ret <16 x i8> %result
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}
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; Identity swizzle pattern (relaxed_swizzle)
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define <16 x i8> @relaxed_swizzle_identity(<16 x i8> %v) {
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; CHECK-LABEL: define <16 x i8> @relaxed_swizzle_identity(
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; CHECK-SAME: <16 x i8> [[V:%.*]]) {
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; CHECK-NEXT: ret <16 x i8> [[V]]
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;
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%result = tail call <16 x i8> @llvm.wasm.relaxed.swizzle(<16 x i8> %v, <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>)
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ret <16 x i8> %result
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}
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; Reverse swizzle pattern (relaxed_swizzle)
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define <16 x i8> @relaxed_swizzle_reverse(<16 x i8> %v) {
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; CHECK-LABEL: define <16 x i8> @relaxed_swizzle_reverse(
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; CHECK-SAME: <16 x i8> [[V:%.*]]) {
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; CHECK-NEXT: [[RESULT:%.*]] = shufflevector <16 x i8> [[V]], <16 x i8> poison, <16 x i32> <i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
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; CHECK-NEXT: ret <16 x i8> [[RESULT]]
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;
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%result = tail call <16 x i8> @llvm.wasm.relaxed.swizzle(<16 x i8> %v, <16 x i8> <i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>)
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ret <16 x i8> %result
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}
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; Out-of-bounds index, only negative (relaxed_swizzle)
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define <16 x i8> @relaxed_swizzle_out_of_bounds(<16 x i8> %v) {
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; CHECK-LABEL: define <16 x i8> @relaxed_swizzle_out_of_bounds(
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; CHECK-SAME: <16 x i8> [[V:%.*]]) {
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; CHECK-NEXT: [[RESULT:%.*]] = shufflevector <16 x i8> [[V]], <16 x i8> <i8 0, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison>, <16 x i32> <i32 16, i32 16, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
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; CHECK-NEXT: ret <16 x i8> [[RESULT]]
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;
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%result = tail call <16 x i8> @llvm.wasm.relaxed.swizzle(<16 x i8> %v, <16 x i8> <i8 -99, i8 -1, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>)
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ret <16 x i8> %result
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}
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; Negative test: out-of-bounds index, both positive and negative (relaxed_swizzle)
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; The choice between different relaxed semantics can only be made at runtime, since it must be consistent.
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define <16 x i8> @relaxed_swizzle_out_of_bounds_positive(<16 x i8> %v) {
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; CHECK-LABEL: define <16 x i8> @relaxed_swizzle_out_of_bounds_positive(
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; CHECK-SAME: <16 x i8> [[V:%.*]]) {
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; CHECK-NEXT: [[RESULT:%.*]] = tail call <16 x i8> @llvm.wasm.relaxed.swizzle(<16 x i8> [[V]], <16 x i8> <i8 99, i8 -1, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>)
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; CHECK-NEXT: ret <16 x i8> [[RESULT]]
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;
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%result = tail call <16 x i8> @llvm.wasm.relaxed.swizzle(<16 x i8> %v, <16 x i8> <i8 99, i8 -1, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>)
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ret <16 x i8> %result
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}
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