diff options
Diffstat (limited to 'clang/test/CIR/CodeGen/constant-inits.cpp')
| -rw-r--r-- | clang/test/CIR/CodeGen/constant-inits.cpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/clang/test/CIR/CodeGen/constant-inits.cpp b/clang/test/CIR/CodeGen/constant-inits.cpp index c9153c91..d5a7bb9 100644 --- a/clang/test/CIR/CodeGen/constant-inits.cpp +++ b/clang/test/CIR/CodeGen/constant-inits.cpp @@ -30,6 +30,41 @@ struct simple { int a, b; }; +// Byte-aligned bitfields +struct byte_aligned_bitfields { + unsigned int a : 8; + unsigned int b : 8; + unsigned int c : 16; +}; + +struct signed_byte_aligned_bitfields { + int x : 8; + int y : 8; +}; + +struct single_byte_bitfield { + unsigned char a : 8; +}; + +// Partial bitfields (sub-byte) +struct partial_bitfields { + unsigned int a : 3; + unsigned int b : 5; + unsigned int c : 8; +}; + +struct signed_partial_bitfields { + int x : 4; + int y : 4; +}; + +struct mixed_partial_bitfields { + unsigned char a : 1; + unsigned char b : 1; + unsigned char c : 1; + unsigned char d : 5; +}; + void function() { constexpr static empty e; @@ -54,8 +89,22 @@ void function() { constexpr static simple simple_array[] { s, {1111, 2222}, s }; + + // Byte-aligned bitfield tests + constexpr static byte_aligned_bitfields ba_bf1 = {0xFF, 0xAA, 0x1234}; + constexpr static signed_byte_aligned_bitfields ba_bf2 = {-1, 127}; + constexpr static single_byte_bitfield ba_bf3 = {42}; + + // Partial bitfield tests + constexpr static partial_bitfields p_bf1 = {1, 2, 3}; + constexpr static signed_partial_bitfields p_bf2 = {-1, 7}; + constexpr static mixed_partial_bitfields p_bf3 = {1, 0, 1, 15}; } +// Anonymous struct type definitions for bitfields +// CIR-DAG: !rec_anon_struct = !cir.record<struct {!u8i, !u8i, !u8i, !u8i}> +// CIR-DAG: !rec_anon_struct1 = !cir.record<struct {!u8i, !u8i, !cir.array<!u8i x 2>}> + // CIR-DAG: cir.global "private" internal dso_local @_ZZ8functionvE1e = #cir.zero : !rec_empty // CIR-DAG: cir.global "private" internal dso_local @_ZZ8functionvE1s = #cir.const_record<{#cir.int<0> : !s32i, #cir.int<-1> : !s32i}> : !rec_simple // CIR-DAG: cir.global "private" internal dso_local @_ZZ8functionvE2p1 = #cir.const_record<{#cir.int<10> : !s32i, #cir.int<20> : !s32i, #cir.const_array<[#cir.int<99> : !s8i, #cir.int<88> : !s8i, #cir.int<77> : !s8i]> : !cir.array<!s8i x 3>, #cir.int<40> : !s32i}> : !rec_Point @@ -83,6 +132,33 @@ void function() { // CIR-DAG-SAME: #cir.zero : !rec_packed_and_aligned // CIR-DAG-SAME: ]> : !cir.array<!rec_packed_and_aligned x 2> +// CIR-DAG: cir.global "private" internal dso_local @_ZZ8functionvE6ba_bf1 = #cir.const_record<{ +// CIR-DAG-SAME: #cir.int<255> : !u8i, +// CIR-DAG-SAME: #cir.int<170> : !u8i, +// CIR-DAG-SAME: #cir.int<52> : !u8i, +// CIR-DAG-SAME: #cir.int<18> : !u8i +// CIR-DAG-SAME: }> : !rec_anon_struct +// CIR-DAG: cir.global "private" internal dso_local @_ZZ8functionvE6ba_bf2 = #cir.const_record<{ +// CIR-DAG-SAME: #cir.int<255> : !u8i, +// CIR-DAG-SAME: #cir.int<127> : !u8i, +// CIR-DAG-SAME: #cir.const_array<[#cir.zero : !u8i, #cir.zero : !u8i]> : !cir.array<!u8i x 2> +// CIR-DAG-SAME: }> : !rec_anon_struct1 +// CIR-DAG: cir.global "private" internal dso_local @_ZZ8functionvE6ba_bf3 = #cir.const_record<{ +// CIR-DAG-SAME: #cir.int<42> : !u8i +// CIR-DAG-SAME: }> : !rec_single_byte_bitfield +// CIR-DAG: cir.global "private" internal dso_local @_ZZ8functionvE5p_bf1 = #cir.const_record<{ +// CIR-DAG-SAME: #cir.int<17> : !u8i, +// CIR-DAG-SAME: #cir.int<3> : !u8i, +// CIR-DAG-SAME: #cir.const_array<[#cir.zero : !u8i, #cir.zero : !u8i]> : !cir.array<!u8i x 2> +// CIR-DAG-SAME: }> : !rec_anon_struct1 +// CIR-DAG: cir.global "private" internal dso_local @_ZZ8functionvE5p_bf2 = #cir.const_record<{ +// CIR-DAG-SAME: #cir.int<127> : !u8i, +// CIR-DAG-SAME: #cir.const_array<[#cir.zero : !u8i, #cir.zero : !u8i, #cir.zero : !u8i]> : !cir.array<!u8i x 3> +// CIR-DAG-SAME: }> : !rec_signed_partial_bitfields +// CIR-DAG: cir.global "private" internal dso_local @_ZZ8functionvE5p_bf3 = #cir.const_record<{ +// CIR-DAG-SAME: #cir.int<125> : !u8i +// CIR-DAG-SAME: }> : !rec_mixed_partial_bitfields + // CIR-LABEL: cir.func dso_local @_Z8functionv() // CIR: cir.return @@ -96,6 +172,12 @@ void function() { // LLVM-DAG: @_ZZ8functionvE3paa = internal global %struct.packed_and_aligned <{ i16 1, i8 2, float 3.000000e+00, i8 0 }> // LLVM-DAG: @_ZZ8functionvE5array = internal global [2 x %struct.Point] [%struct.Point { i32 123, i32 456, [3 x i8] c"\0B\16!", i32 789 }, %struct.Point { i32 10, i32 20, [3 x i8] zeroinitializer, i32 40 }] // LLVM-DAG: @_ZZ8functionvE9paa_array = internal global [2 x %struct.packed_and_aligned] [%struct.packed_and_aligned <{ i16 1, i8 2, float 3.000000e+00, i8 0 }>, %struct.packed_and_aligned zeroinitializer] +// LLVM-DAG: @_ZZ8functionvE6ba_bf1 = internal global { i8, i8, i8, i8 } { i8 -1, i8 -86, i8 52, i8 18 } +// LLVM-DAG: @_ZZ8functionvE6ba_bf2 = internal global { i8, i8, [2 x i8] } { i8 -1, i8 127, [2 x i8] zeroinitializer } +// LLVM-DAG: @_ZZ8functionvE6ba_bf3 = internal global %struct.single_byte_bitfield { i8 42 } +// LLVM-DAG: @_ZZ8functionvE5p_bf1 = internal global { i8, i8, [2 x i8] } { i8 17, i8 3, [2 x i8] zeroinitializer } +// LLVM-DAG: @_ZZ8functionvE5p_bf2 = internal global %struct.signed_partial_bitfields { i8 127, [3 x i8] zeroinitializer } +// LLVM-DAG: @_ZZ8functionvE5p_bf3 = internal global %struct.mixed_partial_bitfields { i8 125 } // LLVM-LABEL: define{{.*}} void @_Z8functionv // LLVM: ret void @@ -110,6 +192,12 @@ void function() { // OGCG-DAG: @_ZZ8functionvE3paa = internal constant %struct.packed_and_aligned <{ i16 1, i8 2, float 3.000000e+00, i8 undef }> // OGCG-DAG: @_ZZ8functionvE5array = internal constant [2 x %struct.Point] [%struct.Point { i32 123, i32 456, [3 x i8] c"\0B\16!", i32 789 }, %struct.Point { i32 10, i32 20, [3 x i8] zeroinitializer, i32 40 }] // OGCG-DAG: @_ZZ8functionvE9paa_array = internal constant [2 x %struct.packed_and_aligned] [%struct.packed_and_aligned <{ i16 1, i8 2, float 3.000000e+00, i8 undef }>, %struct.packed_and_aligned <{ i16 0, i8 0, float 0.000000e+00, i8 undef }>] +// OGCG-DAG: @_ZZ8functionvE6ba_bf1 = internal constant { i8, i8, i8, i8 } { i8 -1, i8 -86, i8 52, i8 18 } +// OGCG-DAG: @_ZZ8functionvE6ba_bf2 = internal constant { i8, i8, [2 x i8] } { i8 -1, i8 127, [2 x i8] undef } +// OGCG-DAG: @_ZZ8functionvE6ba_bf3 = internal constant %struct.single_byte_bitfield { i8 42 } +// OGCG-DAG: @_ZZ8functionvE5p_bf1 = internal constant { i8, i8, [2 x i8] } { i8 17, i8 3, [2 x i8] undef } +// OGCG-DAG: @_ZZ8functionvE5p_bf2 = internal constant %struct.signed_partial_bitfields { i8 127, [3 x i8] undef } +// OGCG-DAG: @_ZZ8functionvE5p_bf3 = internal constant %struct.mixed_partial_bitfields { i8 125 } // OGCG-LABEL: define{{.*}} void @_Z8functionv // OGCG: ret void |