================ @@ -0,0 +1,84 @@ +// RUN: %clang_cc1 -triple s390x-linux-gnu -O1 -emit-llvm %s -o - | FileCheck %s +// +// Test that floating point atomic stores and loads do not get casted to/from +// integer. + +#include <stdatomic.h> + +_Atomic float Af; +_Atomic double Ad; +_Atomic long double Ald; + +//// Atomic stores of floating point values. +void fun0(float Arg) { +// CHECK-LABEL: @fun0 +// CHECK: store atomic float %Arg, ptr @Af seq_cst, align 4 + Af = Arg; +} + +void fun1(double Arg) { +// CHECK-LABEL: @fun1 +// CHECK: store atomic double %Arg, ptr @Ad seq_cst, align 8 + Ad = Arg; +} + +void fun2(long double Arg) { +// CHECK-LABEL: @fun2 +// CHECK: store atomic fp128 %Arg, ptr @Ald seq_cst, align 16 + Ald = Arg; +} + +void fun3(_Atomic float *Dst, float Arg) { +// CHECK-LABEL: @fun +// CHECK: store atomic float %Arg, ptr %Dst seq_cst, align 4 + *Dst = Arg; +} + +void fun4(_Atomic double *Dst, double Arg) { +// CHECK-LABEL: @fun4 +// CHECK: store atomic double %Arg, ptr %Dst seq_cst, align 8 + *Dst = Arg; +} + +void fun5(_Atomic long double *Dst, long double Arg) { +// CHECK-LABEL: @fun5 +// CHECK: store atomic fp128 %Arg, ptr %Dst seq_cst, align 16 + *Dst = Arg; +} + +//// Atomic loads of floating point values. +float fun6() { +// CHECK-LABEL: @fun6 +// CHECK: %atomic-load = load atomic float, ptr @Af seq_cst, align 4 + return Af; +} + +float fun7() { +// CHECK-LABEL: @fun7 +// CHECK: %atomic-load = load atomic double, ptr @Ad seq_cst, align 8 + return Ad; +} + +float fun8() { +// CHECK-LABEL: @fun8 +// CHECK: %atomic-load = load atomic fp128, ptr @Ald seq_cst, align 16 + return Ald; +} + +float fun9(_Atomic float *Src) { +// CHECK-LABEL: @fun9 +// CHECK: %atomic-load = load atomic float, ptr %Src seq_cst, align 4 + return *Src; +} + +double fun10(_Atomic double *Src) { +// CHECK-LABEL: @fun10 +// CHECK: %atomic-load = load atomic double, ptr %Src seq_cst, align 8 + return *Src; +} + +long double fun11(_Atomic long double *Src) { +// CHECK-LABEL: @fun11 +// CHECK: %atomic-load = load atomic fp128, ptr %Src seq_cst, align 16 + return *Src; +} ---------------- arsenm wrote:
test the volatile is preserved too? https://github.com/llvm/llvm-project/pull/83446 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits