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llvm-project/clang/test/CodeGen/large-data-threshold.c

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[clang] Add -mlarge-data-threshold for x86_64 medium code model (#66839) Error if not used with x86_64. Warn if not used with the medium code model (can update if other code models end up using this). Set TargetMachine option and add module flag.
2023-09-26 09:44:31 -07:00
// REQUIRES: x86-registered-target
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - -mcmodel=medium | FileCheck %s --check-prefix=IR-DEFAULT
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - -mcmodel=medium -mlarge-data-threshold=200 | FileCheck %s --check-prefix=IR-CUSTOM
[clang] Adjust -mlarge-data-threshold handling (#77958) Make it apply to x86-64 medium and large code models since that's what the backend does. Limit logic to exclude x86-32. Default to 0, let the driver set it to 65536 for the medium code model if one is not passed. Set it to 0 for the large code model by default to match gcc and since some users make assumptions about the large code model that any small data will break.
2024-01-12 13:23:42 -07:00
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - -mcmodel=large -mlarge-data-threshold=200 | FileCheck %s --check-prefix=IR-CUSTOM
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - -mcmodel=small -mlarge-data-threshold=200 | FileCheck %s --check-prefix=IR-SMALL
[clang] Add -mlarge-data-threshold for x86_64 medium code model (#66839) Error if not used with x86_64. Warn if not used with the medium code model (can update if other code models end up using this). Set TargetMachine option and add module flag.
2023-09-26 09:44:31 -07:00
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -S %s -o - -mcmodel=medium -mlarge-data-threshold=200 | FileCheck %s --check-prefix=ASM-SMALL
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -S %s -o - -mcmodel=medium -mlarge-data-threshold=2 | FileCheck %s --check-prefix=ASM-LARGE
[clang] Adjust -mlarge-data-threshold handling (#77958) Make it apply to x86-64 medium and large code models since that's what the backend does. Limit logic to exclude x86-32. Default to 0, let the driver set it to 65536 for the medium code model if one is not passed. Set it to 0 for the large code model by default to match gcc and since some users make assumptions about the large code model that any small data will break.
2024-01-12 13:23:42 -07:00
// IR-DEFAULT: !{i32 1, !"Large Data Threshold", i64 0}
[clang] Add -mlarge-data-threshold for x86_64 medium code model (#66839) Error if not used with x86_64. Warn if not used with the medium code model (can update if other code models end up using this). Set TargetMachine option and add module flag.
2023-09-26 09:44:31 -07:00
// IR-CUSTOM: !{i32 1, !"Large Data Threshold", i64 200}
[clang] Adjust -mlarge-data-threshold handling (#77958) Make it apply to x86-64 medium and large code models since that's what the backend does. Limit logic to exclude x86-32. Default to 0, let the driver set it to 65536 for the medium code model if one is not passed. Set it to 0 for the large code model by default to match gcc and since some users make assumptions about the large code model that any small data will break.
2024-01-12 13:23:42 -07:00
// IR-SMALL-NOT: !"Large Data Threshold"
[clang] Add -mlarge-data-threshold for x86_64 medium code model (#66839) Error if not used with x86_64. Warn if not used with the medium code model (can update if other code models end up using this). Set TargetMachine option and add module flag.
2023-09-26 09:44:31 -07:00
// ASM-SMALL-NOT: movabsq
// ASM-LARGE: movabsq
static int i;
int f() {
return i;
}
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