[X86_64] fix SSE type error in vaarg. #86377
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,69 @@ | ||
| // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 4 | ||
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s | ||
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| typedef struct { struct {} a; } empty; | ||
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| // CHECK-LABEL: define dso_local void @empty_record_test( | ||
| // CHECK-SAME: i32 noundef [[Z:%.*]], ...) #[[ATTR0:[0-9]+]] { | ||
| // CHECK-NEXT: entry: | ||
| // CHECK-NEXT: [[RETVAL:%.*]] = alloca [[STRUCT_EMPTY:%.*]], align 1 | ||
| // CHECK-NEXT: [[Z_ADDR:%.*]] = alloca i32, align 4 | ||
| // CHECK-NEXT: [[LIST:%.*]] = alloca [1 x %struct.__va_list_tag], align 16 | ||
| // CHECK-NEXT: [[TMP:%.*]] = alloca [[STRUCT_EMPTY]], align 1 | ||
| // CHECK-NEXT: store i32 [[Z]], ptr [[Z_ADDR]], align 4 | ||
| // CHECK-NEXT: [[ARRAYDECAY:%.*]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr [[LIST]], i64 0, i64 0 | ||
| // CHECK-NEXT: call void @llvm.va_start(ptr [[ARRAYDECAY]]) | ||
| // CHECK-NEXT: [[ARRAYDECAY1:%.*]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr [[LIST]], i64 0, i64 0 | ||
| // CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 1 [[RETVAL]], ptr align 1 [[TMP]], i64 0, i1 false) | ||
| // CHECK-NEXT: ret void | ||
| // | ||
| empty empty_record_test(int z, ...) { | ||
| __builtin_va_list list; | ||
| __builtin_va_start(list, z); | ||
| return __builtin_va_arg(list, empty); | ||
| } | ||
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| typedef struct { | ||
| struct{} a; | ||
| double b; | ||
| } s1; | ||
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| // CHECK-LABEL: define dso_local double @f( | ||
| // CHECK-SAME: i32 noundef [[Z:%.*]], ...) #[[ATTR0]] { | ||
| // CHECK-NEXT: entry: | ||
| // CHECK-NEXT: [[RETVAL:%.*]] = alloca [[STRUCT_S1:%.*]], align 8 | ||
| // CHECK-NEXT: [[Z_ADDR:%.*]] = alloca i32, align 4 | ||
| // CHECK-NEXT: [[LIST:%.*]] = alloca [1 x %struct.__va_list_tag], align 16 | ||
| // CHECK-NEXT: store i32 [[Z]], ptr [[Z_ADDR]], align 4 | ||
| // CHECK-NEXT: [[ARRAYDECAY:%.*]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr [[LIST]], i64 0, i64 0 | ||
| // CHECK-NEXT: call void @llvm.va_start(ptr [[ARRAYDECAY]]) | ||
| // CHECK-NEXT: [[ARRAYDECAY1:%.*]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr [[LIST]], i64 0, i64 0 | ||
| // CHECK-NEXT: [[FP_OFFSET_P:%.*]] = getelementptr inbounds [[STRUCT___VA_LIST_TAG:%.*]], ptr [[ARRAYDECAY1]], i32 0, i32 1 | ||
| // CHECK-NEXT: [[FP_OFFSET:%.*]] = load i32, ptr [[FP_OFFSET_P]], align 4 | ||
| // CHECK-NEXT: [[FITS_IN_FP:%.*]] = icmp ule i32 [[FP_OFFSET]], 160 | ||
| // CHECK-NEXT: br i1 [[FITS_IN_FP]], label [[VAARG_IN_REG:%.*]], label [[VAARG_IN_MEM:%.*]] | ||
| // CHECK: vaarg.in_reg: | ||
| // CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[STRUCT___VA_LIST_TAG]], ptr [[ARRAYDECAY1]], i32 0, i32 3 | ||
| // CHECK-NEXT: [[REG_SAVE_AREA:%.*]] = load ptr, ptr [[TMP0]], align 16 | ||
| // CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[REG_SAVE_AREA]], i32 [[FP_OFFSET]] | ||
| // CHECK-NEXT: [[TMP2:%.*]] = add i32 [[FP_OFFSET]], 16 | ||
| // CHECK-NEXT: store i32 [[TMP2]], ptr [[FP_OFFSET_P]], align 4 | ||
| // CHECK-NEXT: br label [[VAARG_END:%.*]] | ||
| // CHECK: vaarg.in_mem: | ||
| // CHECK-NEXT: [[OVERFLOW_ARG_AREA_P:%.*]] = getelementptr inbounds [[STRUCT___VA_LIST_TAG]], ptr [[ARRAYDECAY1]], i32 0, i32 2 | ||
| // CHECK-NEXT: [[OVERFLOW_ARG_AREA:%.*]] = load ptr, ptr [[OVERFLOW_ARG_AREA_P]], align 8 | ||
| // CHECK-NEXT: [[OVERFLOW_ARG_AREA_NEXT:%.*]] = getelementptr i8, ptr [[OVERFLOW_ARG_AREA]], i32 8 | ||
| // CHECK-NEXT: store ptr [[OVERFLOW_ARG_AREA_NEXT]], ptr [[OVERFLOW_ARG_AREA_P]], align 8 | ||
| // CHECK-NEXT: br label [[VAARG_END]] | ||
| // CHECK: vaarg.end: | ||
| // CHECK-NEXT: [[VAARG_ADDR:%.*]] = phi ptr [ [[TMP1]], [[VAARG_IN_REG]] ], [ [[OVERFLOW_ARG_AREA]], [[VAARG_IN_MEM]] ] | ||
| // CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[RETVAL]], ptr align 8 [[VAARG_ADDR]], i64 8, i1 false) | ||
| // CHECK-NEXT: [[TMP3:%.*]] = load double, ptr [[RETVAL]], align 8 | ||
| // CHECK-NEXT: ret double [[TMP3]] | ||
| // | ||
| s1 f(int z, ...) { | ||
| __builtin_va_list list; | ||
| __builtin_va_start(list, z); | ||
| return __builtin_va_arg(list, s1); | ||
| } | ||
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Not sure this is really worth testing... at least, it's not testing anything relevant to this patch. (sizeof(s1)==8.) Up to you, I guess.