| 1 | // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm < %s| FileCheck %s |
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| 2 | |
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| 3 | // Test that we have the structure definition, the gep offsets, the name of the |
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| 4 | // global, the bit grab, and the icmp correct. |
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| 5 | extern void a(const char *); |
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| 6 | |
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| 7 | // CHECK: @__cpu_model = external dso_local global { i32, i32, i32, [1 x i32] } |
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| 8 | // CHECK: @__cpu_features2 = external dso_local global i32 |
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| 9 | |
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| 10 | int main() { |
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| 11 | __builtin_cpu_init(); |
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| 12 | |
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| 13 | // CHECK: call void @__cpu_indicator_init |
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| 14 | |
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| 15 | if (__builtin_cpu_supports("sse4.2")) |
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| 16 | a("sse4.2"); |
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| 17 | |
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| 18 | // CHECK: [[LOAD:%[^ ]+]] = load i32, i32* getelementptr inbounds ({ i32, i32, i32, [1 x i32] }, { i32, i32, i32, [1 x i32] }* @__cpu_model, i32 0, i32 3, i32 0) |
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| 19 | // CHECK: [[AND:%[^ ]+]] = and i32 [[LOAD]], 256 |
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| 20 | // CHECK: = icmp eq i32 [[AND]], 256 |
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| 21 | |
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| 22 | if (__builtin_cpu_supports("gfni")) |
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| 23 | a("gfni"); |
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| 24 | |
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| 25 | // CHECK: [[LOAD:%[^ ]+]] = load i32, i32* @__cpu_features2 |
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| 26 | // CHECK: [[AND:%[^ ]+]] = and i32 [[LOAD]], 1 |
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| 27 | // CHECK: = icmp eq i32 [[AND]], 1 |
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| 28 | |
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| 29 | return 0; |
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| 30 | } |
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| 31 | |
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| 32 | // CHECK: declare dso_local void @__cpu_indicator_init() |
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| 33 | |
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