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-rw-r--r--clang/test/CodeGen/fp16-ops.c26
1 files changed, 21 insertions, 5 deletions
diff --git a/clang/test/CodeGen/fp16-ops.c b/clang/test/CodeGen/fp16-ops.c
index 2d8d6c54e35..5dd0b320b28 100644
--- a/clang/test/CodeGen/fp16-ops.c
+++ b/clang/test/CodeGen/fp16-ops.c
@@ -5,6 +5,7 @@ typedef unsigned cond_t;
volatile cond_t test;
volatile __fp16 h0 = 0.0, h1 = 1.0, h2;
volatile float f0, f1, f2;
+volatile double d0;
void foo(void) {
// CHECK-LABEL: define void @foo()
@@ -52,7 +53,7 @@ void foo(void) {
// CHECK: call float @llvm.convert.from.fp16.f32(
// CHECK: fmul float
// CHECK: call i16 @llvm.convert.to.fp16.f32(
- h1 = h0 * (__fp16) -2.0;
+ h1 = h0 * (__fp16) -2.0f;
// CHECK: call float @llvm.convert.from.fp16.f32(
// CHECK: fmul float
// CHECK: call i16 @llvm.convert.to.fp16.f32(
@@ -71,7 +72,7 @@ void foo(void) {
// CHECK: call float @llvm.convert.from.fp16.f32(
// CHECK: fdiv float
// CHECK: call i16 @llvm.convert.to.fp16.f32(
- h1 = (h0 / (__fp16) -2.0);
+ h1 = (h0 / (__fp16) -2.0f);
// CHECK: call float @llvm.convert.from.fp16.f32(
// CHECK: fdiv float
// CHECK: call i16 @llvm.convert.to.fp16.f32(
@@ -109,7 +110,7 @@ void foo(void) {
// CHECK: call float @llvm.convert.from.fp16.f32(
// CHECK: fsub float
// CHECK: call i16 @llvm.convert.to.fp16.f32(
- h1 = ((__fp16)-2.0 - h0);
+ h1 = ((__fp16)-2.0f - h0);
// CHECK: call float @llvm.convert.from.fp16.f32(
// CHECK: fsub float
// CHECK: call i16 @llvm.convert.to.fp16.f32(
@@ -218,7 +219,7 @@ void foo(void) {
// Check assignments (inc. compound)
h0 = h1;
// CHECK: call i16 @llvm.convert.to.fp16.f32(
- h0 = (__fp16)-2.0;
+ h0 = (__fp16)-2.0f;
// CHECK: call i16 @llvm.convert.to.fp16.f32(
h0 = f0;
@@ -231,7 +232,7 @@ void foo(void) {
// CHECK: call float @llvm.convert.from.fp16.f32(
// CHECK: fadd
// CHECK: call i16 @llvm.convert.to.fp16.f32(
- h0 += (__fp16)1.0;
+ h0 += (__fp16)1.0f;
// CHECK: call float @llvm.convert.from.fp16.f32(
// CHECK: fadd
// CHECK: call i16 @llvm.convert.to.fp16.f32(
@@ -281,4 +282,19 @@ void foo(void) {
// CHECK: fdiv
// CHECK: call i16 @llvm.convert.to.fp16.f32(
h0 /= f2;
+
+ // Check conversions to/from double
+ // CHECK: call i16 @llvm.convert.to.fp16.f64(
+ h0 = d0;
+
+ // CHECK: [[MID:%.*]] = fptrunc double {{%.*}} to float
+ // CHECK: call i16 @llvm.convert.to.fp16.f32(float [[MID]])
+ h0 = (float)d0;
+
+ // CHECK: call double @llvm.convert.from.fp16.f64(
+ d0 = h0;
+
+ // CHECK: [[MID:%.*]] = call float @llvm.convert.from.fp16.f32(
+ // CHECK: fpext float [[MID]] to double
+ d0 = (float)h0;
}
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