df0e9f3a2d
This adds ReturnAddrOp and FrameAddrOp that represent __builtin_return_address and __builtin_frame_address and the respective lowering to LLVM parts. --------- Co-authored-by: Andy Kaylor <akaylor@nvidia.com>
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -Wno-unused-value -fclangir -emit-cir %s -o %t.cir
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// RUN: FileCheck --input-file=%t.cir %s -check-prefix=CIR
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -Wno-unused-value -fclangir -emit-llvm %s -o %t-cir.ll
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// RUN: FileCheck --input-file=%t-cir.ll %s -check-prefix=LLVM
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -Wno-unused-value -emit-llvm %s -o %t.ll
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// RUN: FileCheck --input-file=%t.ll %s -check-prefix=OGCG
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double fabs(double x) {
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return __builtin_fabs(x);
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}
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// CIR: {{.*}} = cir.fabs {{.*}} : !cir.double
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// LLVM: {{.*}} = call double @llvm.fabs.f64(double {{.*}})
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// OGCG: {{.*}} = call double @llvm.fabs.f64(double {{.*}})
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extern "C" void *test_return_address(void) {
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return __builtin_return_address(1);
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// CIR-LABEL: test_return_address
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// CIR: [[ARG:%.*]] = cir.const #cir.int<1> : !u32i
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// CIR: {{%.*}} = cir.return_address([[ARG]])
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// LLVM-LABEL: @test_return_address
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// LLVM: {{%.*}} = call ptr @llvm.returnaddress(i32 1)
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// OGCG-LABEL: @test_return_address
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// OGCG: {{%.*}} = call ptr @llvm.returnaddress(i32 1)
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}
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extern "C" void *test_frame_address(void) {
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return __builtin_frame_address(1);
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// CIR-LABEL: test_frame_address
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// CIR: [[ARG:%.*]] = cir.const #cir.int<1> : !u32i
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// CIR: {{%.*}} = cir.frame_address([[ARG]])
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// LLVM-LABEL: @test_frame_address
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// LLVM: {{%.*}} = call ptr @llvm.frameaddress.p0(i32 1)
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// OGCG-LABEL: @test_frame_address
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// OGCG: {{%.*}} = call ptr @llvm.frameaddress.p0(i32 1)
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}
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