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llvm-project/clang/test/CodeGen/arm-sve-vector-bits-vscale-...

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[IR] Add vscale_range IR function attribute This attribute represents the minimum and maximum values vscale can take. For now this attribute is not hooked up to anything during codegen, this will be added in the future when such codegen is considered stable. Additionally hook up the -msve-vector-bits=<x> clang option to emit this attribute. Differential Revision: https://reviews.llvm.org/D98030
2021-03-03 21:53:30 +08:00
// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -msve-vector-bits=128 -S -emit-llvm -o - %s | FileCheck %s -D#VBITS=128
// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -msve-vector-bits=256 -S -emit-llvm -o - %s | FileCheck %s -D#VBITS=256
// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -msve-vector-bits=512 -S -emit-llvm -o - %s | FileCheck %s -D#VBITS=512
// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -msve-vector-bits=1024 -S -emit-llvm -o - %s | FileCheck %s -D#VBITS=1024
// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -msve-vector-bits=2048 -S -emit-llvm -o - %s | FileCheck %s -D#VBITS=2048
// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -msve-vector-bits=scalable -S -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-NONE
// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -S -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-NONE
// CHECK-LABEL: @func() #0
// CHECK: attributes #0 = { {{.*}} vscale_range([[#div(VBITS,128)]],[[#div(VBITS,128)]]) {{.*}} }
// CHECK-NONE-NOT: vscale_range
void func() {}