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annotate clang/test/CodeGenCXX/arm-pcs.cpp @ 206:f17a3b42b08b

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Added tag before-12 for changeset b7591485f4cd
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 07 Jun 2021 21:25:57 +0900
parents 1d019706d866
children
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1 // Covers a bug fix for ABI selection with homogenous aggregates:
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2 // See: https://bugs.llvm.org/show_bug.cgi?id=39982
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3
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4 // REQUIRES: arm-registered-target
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5 // RUN: %clang -mfloat-abi=hard --target=armv7-unknown-linux-gnueabi -O3 -S -o - %s | FileCheck %s -check-prefixes=HARD,CHECK
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6 // RUN: %clang -mfloat-abi=softfp --target=armv7-unknown-linux-gnueabi -O3 -S -o - %s | FileCheck %s -check-prefixes=SOFTFP,CHECK
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7 // RUN: %clang -mfloat-abi=soft --target=armv7-unknown-linux-gnueabi -O3 -S -o - %s | FileCheck %s -check-prefixes=SOFT,CHECK
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8
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9 struct S {
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10 float f;
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11 float d;
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12 float c;
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13 float t;
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14 };
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15
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16 // Variadic functions should always marshal for the base standard.
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17 // See section 5.5 (Parameter Passing) of the AAPCS.
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18 float __attribute__((pcs("aapcs-vfp"))) variadic(S s, ...) {
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19 // CHECK-NOT: vmov s{{[0-9]+}}, s{{[0-9]+}}
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20 // CHECK: mov r{{[0-9]+}}, r{{[0-9]+}}
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21 return s.d;
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22 }
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23
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24 float no_attribute(S s) {
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25 // SOFT: mov r{{[0-9]+}}, r{{[0-9]+}}
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26 // SOFTFP: mov r{{[0-9]+}}, r{{[0-9]+}}
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27 // HARD: vmov.f32 s{{[0-9]+}}, s{{[0-9]+}}
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28 return s.d;
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29 }
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30
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31 float __attribute__((pcs("aapcs-vfp"))) baz(float x, float y) {
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32 // CHECK-NOT: mov s{{[0-9]+}}, r{{[0-9]+}}
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33 // SOFT: mov r{{[0-9]+}}, r{{[0-9]+}}
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34 // SOFTFP: vmov.f32 s{{[0-9]+}}, s{{[0-9]+}}
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35 // HARD: vmov.f32 s{{[0-9]+}}, s{{[0-9]+}}
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36 return y;
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37 }
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38
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39 float __attribute__((pcs("aapcs-vfp"))) foo(S s) {
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40 // CHECK-NOT: mov s{{[0-9]+}}, r{{[0-9]+}}
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41 // SOFT: mov r{{[0-9]+}}, r{{[0-9]+}}
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42 // SOFTFP: vmov.f32 s{{[0-9]+}}, s{{[0-9]+}}
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43 // HARD: vmov.f32 s{{[0-9]+}}, s{{[0-9]+}}
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44 return s.d;
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45 }
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46
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47 float __attribute__((pcs("aapcs"))) bar(S s) {
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48 // CHECK-NOT: vmov.f32 s{{[0-9]+}}, s{{[0-9]+}}
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49 // CHECK: mov r{{[0-9]+}}, r{{[0-9]+}}
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50 return s.d;
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51 }