1 files changed, 87 insertions, 0 deletions
diff --git a/tests/codegen-llvm/float_math.rs b/tests/codegen-llvm/float_math.rs
new file mode 100644
index 00000000000..9a1e0b4d2d0
--- /dev/null
+++ b/tests/codegen-llvm/float_math.rs
@@ -0,0 +1,87 @@
+//@ compile-flags: -C no-prepopulate-passes
+
+#![crate_type = "lib"]
+#![feature(core_intrinsics)]
+
+use std::intrinsics::{
+    fadd_algebraic, fadd_fast, fdiv_algebraic, fdiv_fast, fmul_algebraic, fmul_fast,
+    frem_algebraic, frem_fast, fsub_algebraic, fsub_fast,
+};
+
+// CHECK-LABEL: @add
+#[no_mangle]
+pub fn add(x: f32, y: f32) -> f32 {
+    // CHECK: fadd float
+    // CHECK-NOT: fast
+    x + y
+}
+
+// CHECK-LABEL: @test_fadd_algebraic
+#[no_mangle]
+pub fn test_fadd_algebraic(x: f32, y: f32) -> f32 {
+    // CHECK: fadd reassoc nsz arcp contract float %x, %y
+    fadd_algebraic(x, y)
+}
+
+// CHECK-LABEL: @test_fsub_algebraic
+#[no_mangle]
+pub fn test_fsub_algebraic(x: f32, y: f32) -> f32 {
+    // CHECK: fsub reassoc nsz arcp contract float %x, %y
+    fsub_algebraic(x, y)
+}
+
+// CHECK-LABEL: @test_fmul_algebraic
+#[no_mangle]
+pub fn test_fmul_algebraic(x: f32, y: f32) -> f32 {
+    // CHECK: fmul reassoc nsz arcp contract float %x, %y
+    fmul_algebraic(x, y)
+}
+
+// CHECK-LABEL: @test_fdiv_algebraic
+#[no_mangle]
+pub fn test_fdiv_algebraic(x: f32, y: f32) -> f32 {
+    // CHECK: fdiv reassoc nsz arcp contract float %x, %y
+    fdiv_algebraic(x, y)
+}
+
+// CHECK-LABEL: @test_frem_algebraic
+#[no_mangle]
+pub fn test_frem_algebraic(x: f32, y: f32) -> f32 {
+    // CHECK: frem reassoc nsz arcp contract float %x, %y
+    frem_algebraic(x, y)
+}
+
+// CHECK-LABEL: @test_fadd_fast
+#[no_mangle]
+pub fn test_fadd_fast(x: f32, y: f32) -> f32 {
+    // CHECK: fadd fast float %x, %y
+    unsafe { fadd_fast(x, y) }
+}
+
+// CHECK-LABEL: @test_fsub_fast
+#[no_mangle]
+pub fn test_fsub_fast(x: f32, y: f32) -> f32 {
+    // CHECK: fsub fast float %x, %y
+    unsafe { fsub_fast(x, y) }
+}
+
+// CHECK-LABEL: @test_fmul_fast
+#[no_mangle]
+pub fn test_fmul_fast(x: f32, y: f32) -> f32 {
+    // CHECK: fmul fast float %x, %y
+    unsafe { fmul_fast(x, y) }
+}
+
+// CHECK-LABEL: @test_fdiv_fast
+#[no_mangle]
+pub fn test_fdiv_fast(x: f32, y: f32) -> f32 {
+    // CHECK: fdiv fast float %x, %y
+    unsafe { fdiv_fast(x, y) }
+}
+
+// CHECK-LABEL: @test_frem_fast
+#[no_mangle]
+pub fn test_frem_fast(x: f32, y: f32) -> f32 {
+    // CHECK: frem fast float %x, %y
+    unsafe { frem_fast(x, y) }
+}