clang/test/CodeGen/X86/32bit-behavior.c

   1 // SSE
   2 // RUN: %clang_cc1 -fexperimental-strict-floating-point \
   3 // RUN: -triple i386-pc-windows -target-cpu pentium4 -target-feature +sse \
   4 // RUN: -emit-llvm -o - %s -ffp-eval-method=source \
   5 // RUN: | FileCheck -check-prefix=CHECK-SRC %s
   6
   7 // RUN: %clang_cc1 -fexperimental-strict-floating-point \
   8 // RUN: -triple i386-pc-windows -target-cpu pentium4 -target-feature +sse \
   9 // RUN: -emit-llvm -o - %s -ffp-eval-method=double \
  10 // RUN: | FileCheck -check-prefix=CHECK-DBL %s
  11
  12 // RUN: %clang_cc1 -fexperimental-strict-floating-point \
  13 // RUN: -triple i386-pc-windows -target-cpu pentium4 -target-feature +sse \
  14 // RUN: -emit-llvm -o - %s -ffp-eval-method=extended \
  15 // RUN: | FileCheck -check-prefix=CHECK-DBL %s
  16
  17 // NO SSE
  18 // RUN: %clang_cc1 -fexperimental-strict-floating-point \
  19 // RUN: -triple i386-pc-windows -target-cpu pentium4 -target-feature -sse \
  20 // RUN: -emit-llvm -o - %s -ffp-eval-method=source  \
  21 // RUN: | FileCheck -check-prefix=CHECK-SRC %s
  22
  23 // RUN: %clang_cc1 -fexperimental-strict-floating-point \
  24 // RUN: -triple i386-pc-windows -target-cpu pentium4 -target-feature -sse \
  25 // RUN: -emit-llvm -o - %s -ffp-eval-method=double \
  26 // RUN: | FileCheck -check-prefix=CHECK-DBL %s
  27
  28 // RUN: %clang_cc1 -fexperimental-strict-floating-point \
  29 // RUN: -triple i386-pc-windows -target-cpu pentium4 -target-feature -sse \
  30 // RUN: -emit-llvm -o - %s -ffp-eval-method=extended \
  31 // RUN: | FileCheck -check-prefix=CHECK-DBL %s
  32
  33 float addit(float a, float b, float c) {
  34   // CHECK-SRC: load float, ptr
  35   // CHECK-SRC: load float, ptr
  36   // CHECK-SRC: fadd float
  37   // CHECK-SRC: load float, ptr
  38   // CHECK-SRC: fadd float
  39
  40   // CHECK-DBL: load float, ptr
  41   // CHECK-DBL: fpext float {{.*}} to double
  42   // CHECK-DBL: load float, ptr
  43   // CHECK-DBL: fpext float {{.*}} to double
  44   // CHECK-DBL: fadd double
  45   // CHECK-DBL: load float, ptr
  46   // CHECK-DBL: fpext float {{.*}} to double
  47   // CHECK-DBL: fadd double
  48   // CHECK-DBL: fptrunc double {{.*}} to float
  49
  50   // CHECK: ret float
  51   return a + b + c;
  52 }