59 lines · c
1// RUN: %clang_cc1 -triple i686-windows-gnu -emit-llvm -o - %s \2// RUN: | FileCheck %s --check-prefix=GNU323// RUN: %clang_cc1 -triple i686-windows-gnu -emit-llvm -o - %s -mms-bitfields \4// RUN: | FileCheck %s --check-prefix=GNU325// RUN: %clang_cc1 -triple x86_64-windows-gnu -emit-llvm -o - %s \6// RUN: | FileCheck %s --check-prefix=GNU647// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -o - %s \8// RUN: | FileCheck %s --check-prefix=MSC649 10struct {11 char c;12 long double ldb;13} agggregate_LD = {};14// GNU32: @agggregate_LD = dso_local global { i8, [3 x i8], x86_fp80 } zeroinitializer, align 415// GNU64: @agggregate_LD = dso_local global { i8, [15 x i8], x86_fp80 } zeroinitializer, align 1616// MSC64: @agggregate_LD = dso_local global { i8, [7 x i8], double } zeroinitializer, align 817 18long double dataLD = 1.0L;19// GNU32: @dataLD = dso_local global x86_fp80 0xK3FFF8000000000000000, align 420// GNU64: @dataLD = dso_local global x86_fp80 0xK3FFF8000000000000000, align 1621// MSC64: @dataLD = dso_local global double 1.000000e+00, align 822 23long double _Complex dataLDC = {1.0L, 1.0L};24// GNU32: @dataLDC = dso_local global { x86_fp80, x86_fp80 } { x86_fp80 0xK3FFF8000000000000000, x86_fp80 0xK3FFF8000000000000000 }, align 425// GNU64: @dataLDC = dso_local global { x86_fp80, x86_fp80 } { x86_fp80 0xK3FFF8000000000000000, x86_fp80 0xK3FFF8000000000000000 }, align 1626// MSC64: @dataLDC = dso_local global { double, double } { double 1.000000e+00, double 1.000000e+00 }, align 827 28long double TestLD(long double x) {29 return x * x;30}31// GNU32: define dso_local x86_fp80 @TestLD(x86_fp80 noundef %x)32// GNU64: define dso_local void @TestLD(ptr dead_on_unwind noalias writable sret(x86_fp80) align 16 %agg.result, ptr dead_on_return noundef %0)33// MSC64: define dso_local double @TestLD(double noundef %x)34 35long double _Complex TestLDC(long double _Complex x) {36 return x * x;37}38// GNU32: define dso_local void @TestLDC(ptr dead_on_unwind noalias writable sret({ x86_fp80, x86_fp80 }) align 4 %agg.result, ptr noundef byval({ x86_fp80, x86_fp80 }) align 4 %x)39// GNU64: define dso_local void @TestLDC(ptr dead_on_unwind noalias writable sret({ x86_fp80, x86_fp80 }) align 16 %agg.result, ptr dead_on_return noundef %x)40// MSC64: define dso_local void @TestLDC(ptr dead_on_unwind noalias writable sret({ double, double }) align 8 %agg.result, ptr dead_on_return noundef %x)41 42// GNU32: declare dso_local void @__mulxc343// GNU64: declare dso_local void @__mulxc344// MSC64: declare dso_local void @__muldc345 46void VarArgLD(int a, ...) {47 // GNU32-LABEL: define{{.*}} void @VarArgLD48 // GNU64-LABEL: define{{.*}} void @VarArgLD49 // MSC64-LABEL: define{{.*}} void @VarArgLD50 __builtin_va_list ap;51 __builtin_va_start(ap, a);52 long double LD = __builtin_va_arg(ap, long double);53 // GNU32: load x86_fp80, ptr %argp.cur54 // GNU64: [[P:%.*]] = load ptr, ptr %argp.cur55 // GNU64: load x86_fp80, ptr [[P]]56 // MSC64: load double, ptr %argp.cur57 __builtin_va_end(ap);58}59