forked from OSchip/llvm-project
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
// RUN: %clang_cc1 -fexperimental-strict-floating-point -DEXCEPT=1 \
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// RUN: -fcxx-exceptions -triple x86_64-linux-gnu -emit-llvm -o - %s \
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// RUN: | FileCheck -check-prefix=CHECK-SRC %s
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// RUN: %clang_cc1 -fexperimental-strict-floating-point \
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// RUN: -triple x86_64-linux-gnu -emit-llvm -o - %s -ffp-eval-method=source \
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// RUN: | FileCheck -check-prefix=CHECK-SRC %s
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// RUN: %clang_cc1 -fexperimental-strict-floating-point \
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// RUN: -triple x86_64-linux-gnu -emit-llvm -o - %s -ffp-eval-method=double \
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// RUN: | FileCheck -check-prefixes=CHECK-DBL %s
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// RUN: %clang_cc1 -fexperimental-strict-floating-point \
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// RUN: -triple x86_64-linux-gnu -emit-llvm -o - %s -ffp-eval-method=extended \
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// RUN: | FileCheck -check-prefixes=CHECK-EXT-FLT %s
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// RUN: %clang_cc1 -triple powerpc-unknown-aix -emit-llvm -o - %s \
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// RUN: | FileCheck %s -check-prefix=CHECK-DBL-PPC
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// RUN: %clang_cc1 -fexperimental-strict-floating-point -triple i386-linux-gnu \
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// RUN: -emit-llvm -o - %s -ffp-eval-method=extended -mlong-double-80 \
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// RUN: | FileCheck %s -check-prefix=CHECK-EXT-FLT
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int getFEM() {
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// LABEL: define {{.*}}getFEM{{.*}}
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return __FLT_EVAL_METHOD__;
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// CHECK-SRC: ret {{.*}} 0
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// CHECK-DBL: ret {{.*}} 1
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// CHECK-DBL-PPC: ret {{.*}} 1
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// CHECK-EXT-FLT: ret {{.*}} 2
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}
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float func() {
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// LABEL: define {{.*}}@_Z4func{{.*}}
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float X = 100.0f;
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float Y = -45.3f;
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float Z = 393.78f;
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float temp;
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#if __FLT_EVAL_METHOD__ == 0
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temp = X + Y + Z;
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#elif __FLT_EVAL_METHOD__ == 1
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temp = X * Y * Z;
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#elif __FLT_EVAL_METHOD__ == 2
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temp = X * Y - Z;
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#endif
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// CHECK-SRC: load float, float*
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// CHECK-SRC: load float, float*
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// CHECK-SRC: fadd float
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// CHECK-SRC: load float, float*
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// CHECK-SRC: fadd float
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// CHECK-DBL: load float, float*
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// CHECK-DBL: fpext float
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// CHECK-DBL: load float, float*
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// CHECK-DBL: fpext float
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// CHECK-DBL: fmul double
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// CHECK-DBL: load float, float*
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// CHECK-DBL: fpext float
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// CHECK-DBL: fmul double
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// CHECK-DBL: fptrunc double
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// CHECK-EXT-FLT: load float, float*
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// CHECK-EXT-FLT: fpext float
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// CHECK-EXT-FLT: load float, float*
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// CHECK-EXT-FLT: fpext float
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// CHECK-EXT-FLT: fmul x86_fp80
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// CHECK-EXT-FLT: load float, float*
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// CHECK-EXT-FLT: fpext float
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// CHECK-EXT-FLT: fsub x86_fp80
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// CHECK-EXT-FLT: fptrunc x86_fp80
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// CHECK-DBL-PPC: load float, float*
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// CHECK-DBL-PPC: load float, float*
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// CHECK-DBL-PPC: fmul float
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// CHECK-DBL-PPC: load float, float*
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// CHECK-DBL-PPC: fmul float
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return temp;
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}
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