ae1596a31a
Adds AArch64 support for the `preserve_none` calling convention. Registers X0-X7, X9-X15 and X19-X28 are caller save, and can be used to pass arguments. Delegates to AAPCS for all other registers. Closes #87423
28 lines
1.3 KiB
C
28 lines
1.3 KiB
C
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm < %s | FileCheck %s --check-prefixes=CHECK,LINUX
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// RUN: %clang_cc1 -triple arm64-unknown-unknown -emit-llvm < %s | FileCheck %s --check-prefixes=CHECK,LINUX
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// RUN: %clang_cc1 -triple x86_64-unknown-windows-msvc -emit-llvm %s -o - | FileCheck %s
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// RUN: %clang_cc1 -triple aarch64-unknown-windows-msvc -emit-llvm %s -o - | FileCheck %s
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// RUN: %clang_cc1 -triple thumbv7-unknown-windows-msvc -emit-llvm %s -o - | FileCheck %s
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// Check that the preserve_most calling convention attribute at the source level
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// is lowered to the corresponding calling convention attrribute at the LLVM IR
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// level.
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void foo(void) __attribute__((preserve_most)) {
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// CHECK-LABEL: define {{(dso_local )?}}preserve_mostcc void @foo()
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}
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// Check that the preserve_most calling convention attribute at the source level
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// is lowered to the corresponding calling convention attrribute at the LLVM IR
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// level.
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void boo(void) __attribute__((preserve_all)) {
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// CHECK-LABEL: define {{(dso_local )?}}preserve_allcc void @boo()
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}
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// Check that the preserve_none calling convention attribute at the source level
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// is lowered to the corresponding calling convention attrribute at the LLVM IR
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// level.
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void bar(void) __attribute__((preserve_none)) {
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// LINUX-LABEL: define {{(dso_local )?}}preserve_nonecc void @bar()
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}
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