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252
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1 // RUN: %clang_cc1 -fpass-by-value-is-noalias -triple arm64-apple-iphoneos -emit-llvm -disable-llvm-optzns -fobjc-runtime-has-weak -fobjc-arc -fobjc-dispatch-method=mixed %s -o - 2>&1 | FileCheck --check-prefix=WITH_NOALIAS %s
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2 // RUN: %clang_cc1 -triple arm64-apple-iphoneos -emit-llvm -disable-llvm-optzns -fobjc-runtime-has-weak -fobjc-arc -fobjc-dispatch-method=mixed %s -o - 2>&1 | FileCheck --check-prefix=NO_NOALIAS %s
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221
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3
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4 @interface Bar
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5 @property char value;
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6 @end
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7
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8 // A struct large enough so it is not passed in registers on ARM64, but with a
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9 // weak reference, so noalias should not be added even with
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10 // -fpass-by-value-is-noalias.
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11 struct Foo {
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12 int a;
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13 int b;
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14 int c;
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15 int d;
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16 int e;
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17 Bar *__weak f;
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18 };
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19
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252
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20 // WITH_NOALIAS: define{{.*}} void @take(ptr noundef %arg)
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21 // NO_NOALIAS: define{{.*}} void @take(ptr noundef %arg)
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221
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22 void take(struct Foo arg) {}
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