20 lines
804 B
C
20 lines
804 B
C
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
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// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s
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char buffer[32] = "This is a largely unused buffer";
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// __builtin___clear_cache always maps to @llvm.clear_cache, but what
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// each back-end produces is different, and this is tested in LLVM
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// CHECK-LABEL: @main(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[RETVAL:%.*]] = alloca i32, align 4
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// CHECK-NEXT: store i32 0, i32* [[RETVAL]], align 4
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// CHECK-NEXT: call void @llvm.clear_cache(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @buffer, i64 0, i64 0), i8* getelementptr inbounds ([32 x i8], [32 x i8]* @buffer, i64 1, i64 0))
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// CHECK-NEXT: ret i32 0
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//
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int main() {
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__builtin___clear_cache(buffer, buffer+32);
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return 0;
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}
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