From: Anton Korobeynikov <asl@math.spbu.ru>
Date: Fri, 14 Oct 2011 23:32:50 +0000 (+0000)
Subject: Missed tests for half FP support
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8eb5b29ec11f5f6922132a68f8e88a9b0f69a489;p=clang

Missed tests for half FP support


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142017 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/fp16-ops.c b/test/CodeGen/fp16-ops.c
new file mode 100644
index 0000000000..cbbfb884df
--- /dev/null
+++ b/test/CodeGen/fp16-ops.c
@@ -0,0 +1,283 @@
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-linux-gnueabi %s | FileCheck %s
+typedef unsigned cond_t;
+
+volatile cond_t test;
+volatile __fp16 h0 = 0.0, h1 = 1.0, h2;
+volatile float f0, f1, f2;
+
+void foo(void) {
+  // CHECK: define void @foo()
+
+  // Check unary ops
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK fptoi float
+  test = (h0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp une float
+  test = (!h1);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fsub float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = -h1;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = +h1;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fadd float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1++;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fadd float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  ++h1;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fadd float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  --h1;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fadd float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1--;
+
+  // Check binary ops with various operands
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fmul float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = h0 * h2;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call i16 @llvm.convert.to.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fmul float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = h0 * (__fp16) -2.0;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fmul float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = h0 * f2;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fmul float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = f0 * h2;
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fdiv float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = (h0 / h2);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fdiv float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = (h0 / (__fp16) -2.0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fdiv float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = (h0 / f2);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fdiv float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = (f0 / h2);
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fadd float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = (h2 + h0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fadd float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = ((__fp16)-2.0 + h0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fadd float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = (h2 + f0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fadd float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = (f2 + h0);
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fsub float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = (h2 - h0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fsub float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = ((__fp16)-2.0 - h0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fsub float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = (h2 - f0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fsub float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = (f2 - h0);
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp olt
+  test = (h2 < h0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp olt
+  test = (h2 < (__fp16)42.0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp olt
+  test = (h2 < f0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp olt
+  test = (f2 < h0);
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp ogt
+  test = (h0 > h2);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp ogt
+  test = ((__fp16)42.0 > h2);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp ogt
+  test = (h0 > f2);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp ogt
+  test = (f0 > h2);
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp ole
+  test = (h2 <= h0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp ole
+  test = (h2 <= (__fp16)42.0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp ole
+  test = (h2 <= f0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp ole
+  test = (f2 <= h0);
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp oge
+  test = (h0 >= h2);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp oge
+  test = (h0 >= (__fp16)-2.0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp oge
+  test = (h0 >= f2);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp oge
+  test = (f0 >= h2);
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp oeq
+  test = (h1 == h2);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp oeq
+  test = (h1 == (__fp16)1.0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp oeq
+  test = (h1 == f1);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp oeq
+  test = (f1 == h1);
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp une
+  test = (h1 != h2);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp une
+  test = (h1 != (__fp16)1.0);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp une
+  test = (h1 != f1);
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp une
+  test = (f1 != h1);
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fcmp une
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h1 = (h1 ? h2 : h0);
+  // Check assignments (inc. compound)
+  h0 = h1;
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 = (__fp16)-2.0;
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 = f0;
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fadd float
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 += h1;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fadd
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 += (__fp16)1.0;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fadd
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 += f2;
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fsub
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 -= h1;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fsub
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 -= (__fp16)1.0;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fsub
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 -= f2;
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fmul
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 *= h1;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fmul
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 *= (__fp16)1.0;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fmul
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 *= f2;
+
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fdiv
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 /= h1;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fdiv
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 /= (__fp16)1.0;
+  // CHECK: call float @llvm.convert.from.fp16
+  // CHECK: fdiv
+  // CHECK: call i16 @llvm.convert.to.fp16
+  h0 /= f2;
+}
diff --git a/test/CodeGenCXX/fp16-mangle.cpp b/test/CodeGenCXX/fp16-mangle.cpp
new file mode 100644
index 0000000000..4a056d6c6b
--- /dev/null
+++ b/test/CodeGenCXX/fp16-mangle.cpp
@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-linux-gnueabi %s | FileCheck %s
+
+// CHECK: @_ZN1SIDhDhE1iE = global i32 3
+template <typename T, typename U> struct S { static int i; };
+template <> int S<__fp16, __fp16>::i = 3;
+
+// CHECK: define void @_Z1fPDh(i16* %x)
+void f (__fp16 *x) { }
+
+// CHECK: define void @_Z1gPDhS_(i16* %x, i16* %y)
+void g (__fp16 *x, __fp16 *y) { }
+
diff --git a/test/CodeGenCXX/fp16-overload.cpp b/test/CodeGenCXX/fp16-overload.cpp
new file mode 100644
index 0000000000..75622109c1
--- /dev/null
+++ b/test/CodeGenCXX/fp16-overload.cpp
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-linux-gnueabi %s | FileCheck %s
+
+extern int foo(float x);
+extern int foo(double x);
+
+__fp16 a;
+
+// CHECK: call i32 @_Z3foof
+// CHECK-NOT: call i32 @_Z3food
+int bar (void) { return foo(a); }
diff --git a/test/Sema/fp16-sema.c b/test/Sema/fp16-sema.c
new file mode 100644
index 0000000000..e678f9a829
--- /dev/null
+++ b/test/Sema/fp16-sema.c
@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// Functions cannot have parameters of type __fp16.
+extern void f (__fp16); // expected-error {{parameters cannot have __fp16 type; did you forget * ?}}
+extern void g (__fp16 *);
+
+extern void (*pf) (__fp16);  // expected-error {{parameters cannot have __fp16 type; did you forget * ?}}
+extern void (*pg) (__fp16*);
+
+typedef void(*tf) (__fp16);  // expected-error {{parameters cannot have __fp16 type; did you forget * ?}}
+typedef void(*tg) (__fp16*);
+
+void kf(a)
+ __fp16 a; {  // expected-error {{parameters cannot have __fp16 type; did you forget * ?}}
+}
+
+void kg(a)
+ __fp16 *a; {
+}
+
+// Functions cannot return type __fp16.
+extern __fp16 f1 (void); // expected-error {{function return value cannot have __fp16 type; did you forget * ?}}
+extern __fp16 *g1 (void);
+
+extern __fp16 (*pf1) (void); // expected-error {{function return value cannot have __fp16 type; did you forget * ?}}
+extern __fp16 *(*gf1) (void);
+
+typedef __fp16 (*tf1) (void); // expected-error {{function return value cannot have __fp16 type; did you forget * ?}}
+typedef __fp16 *(*tg1) (void);
+