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59 lines
2.8 KiB
Plaintext
59 lines
2.8 KiB
Plaintext
// RUN: %target-swift-frontend %s -emit-ir | %FileCheck %s
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// REQUIRES: CPU=x86_64
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sil_stage canonical
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import Builtin
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// This type has equal stride and size.
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struct SameSizeStride { var x, y: Builtin.Int32 }
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// This type has unequal stride and size.
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struct DifferentSizeStride { var x: Builtin.Int32, y: Builtin.Int16 }
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// CHECK: define{{( protected)?}} {{.*}}void @same_size_stride(%T8indexing14SameSizeStrideV* noalias nocapture dereferenceable({{.*}}) %0, i64 %1) {{.*}} {
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// CHECK: getelementptr inbounds %T8indexing14SameSizeStrideV, %T8indexing14SameSizeStrideV* %0, i64 %1
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sil @same_size_stride : $@convention(thin) (@in SameSizeStride, Builtin.Word) -> () {
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entry(%p : $*SameSizeStride, %i: $Builtin.Word):
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%q = index_addr %p : $*SameSizeStride, %i : $Builtin.Word
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return undef : $()
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}
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// CHECK: define{{( protected)?}} {{.*}}void @different_size_stride(%T8indexing19DifferentSizeStrideV* noalias nocapture dereferenceable({{.*}}) %0, i64 %1) {{.*}} {
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// CHECK: %2 = bitcast %T8indexing19DifferentSizeStrideV* %0 to i8*
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// CHECK-NEXT: %3 = mul nsw i64 %1, 8
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// CHECK-NEXT: %4 = getelementptr inbounds i8, i8* %2, i64 %3
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// CHECK-NEXT: %5 = bitcast i8* %4 to %T8indexing19DifferentSizeStrideV*
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sil @different_size_stride : $@convention(thin) (@in DifferentSizeStride, Builtin.Word) -> () {
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entry(%p : $*DifferentSizeStride, %i: $Builtin.Word):
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%q = index_addr %p : $*DifferentSizeStride, %i : $Builtin.Word
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return undef : $()
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}
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// CHECK: define{{( protected)?}} {{.*}}void @zero_size(%swift.opaque* noalias nocapture %0, i64 %1) {{.*}} {
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// CHECK: %2 = bitcast %swift.opaque* %0 to i8*
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// CHECK-NEXT: %3 = mul nsw i64 %1, 1
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// CHECK-NEXT: %4 = getelementptr inbounds i8, i8* %2, i64 %3
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sil @zero_size : $@convention(thin) (@in (), Builtin.Word) -> () {
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entry(%p : $*(), %i: $Builtin.Word):
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%q = index_addr %p : $*(), %i : $Builtin.Word
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return undef : $()
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}
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// CHECK: define{{( protected)?}} {{.*}}void @dynamic_size(%swift.opaque* noalias nocapture %0, i64 %1, %swift.type* %T) {{.*}} {
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// CHECK: [[T0:%.*]] = bitcast %swift.type* %T to i8***
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// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8**, i8*** [[T0]], i64 -1
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// CHECK-NEXT: [[VWT:%T.valueWitnesses]] = load i8**, i8*** [[T1]], align 8
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// CHECK: [[VWT_CAST:%.*]] = bitcast i8** [[VWT]] to %swift.vwtable*
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// CHECK: [[STRIDE_ADDR:%.*]] = getelementptr inbounds %swift.vwtable, %swift.vwtable* [[VWT_CAST]], i32 0, i32 9
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// CHECK: [[STRIDE:%.*]] = load i64, i64* [[STRIDE_ADDR]]
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// CHECK-NEXT: [[T0:%.*]] = mul nsw i64 %1, [[STRIDE]]
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// CHECK-NEXT: getelementptr inbounds i8, i8* %2, i64 [[T0]]
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sil @dynamic_size : $@convention(thin) <T> (@in T, Builtin.Word) -> () {
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entry(%p : $*T, %i: $Builtin.Word):
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%q = index_addr %p : $*T, %i : $Builtin.Word
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return undef : $()
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}
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