[WebAssembly] Support for floating point min and max.

[oota-llvm.git] / test / CodeGen / WebAssembly / f64.ll

diff --git a/test/CodeGen/WebAssembly/f64.ll b/test/CodeGen/WebAssembly/f64.ll
index cbe1ed4434c16c8d1830e49de362f48022842ebc..d5f6f3e7fe383d0da9946ea1af0fb3d5a33ca5da 100644 (file)
--- a/test/CodeGen/WebAssembly/f64.ll
+++ b/test/CodeGen/WebAssembly/f64.ll
@@ -14,97 +14,139 @@ declare double @llvm.trunc.f64(double)
 declare double @llvm.nearbyint.f64(double)
 declare double @llvm.rint.f64(double)
 
-; CHECK-LABEL: (func $fadd64
-; CHECK-NEXT: (param f64) (param f64) (result f64)
-; CHECK-NEXT: (setlocal @0 (argument 1))
-; CHECK-NEXT: (setlocal @1 (argument 0))
-; CHECK-NEXT: (setlocal @2 (fadd @1 @0))
-; CHECK-NEXT: (return @2)
+; CHECK-LABEL: fadd64:
+; CHECK-NEXT: .param f64{{$}}
+; CHECK-NEXT: .param f64{{$}}
+; CHECK-NEXT: .result f64{{$}}
+; CHECK-NEXT: .local f64, f64, f64{{$}}
+; CHECK-NEXT: get_local push, 1{{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
+; CHECK-NEXT: get_local push, 0{{$}}
+; CHECK-NEXT: set_local 3, pop{{$}}
+; CHECK-NEXT: f64.add push, (get_local 3), (get_local 2){{$}}
+; CHECK-NEXT: set_local 4, pop{{$}}
+; CHECK-NEXT: return (get_local 4){{$}}
 define double @fadd64(double %x, double %y) {
   %a = fadd double %x, %y
   ret double %a
 }
 
-; CHECK-LABEL: (func $fsub64
-; CHECK: (setlocal @2 (fsub @1 @0))
+; CHECK-LABEL: fsub64:
+; CHECK: f64.sub push, (get_local 3), (get_local 2){{$}}
+; CHECK-NEXT: set_local 4, pop{{$}}
 define double @fsub64(double %x, double %y) {
   %a = fsub double %x, %y
   ret double %a
 }
 
-; CHECK-LABEL: (func $fmul64
-; CHECK: (setlocal @2 (fmul @1 @0))
+; CHECK-LABEL: fmul64:
+; CHECK: f64.mul push, (get_local 3), (get_local 2){{$}}
+; CHECK-NEXT: set_local 4, pop{{$}}
 define double @fmul64(double %x, double %y) {
   %a = fmul double %x, %y
   ret double %a
 }
 
-; CHECK-LABEL: (func $fdiv64
-; CHECK: (setlocal @2 (fdiv @1 @0))
+; CHECK-LABEL: fdiv64:
+; CHECK: f64.div push, (get_local 3), (get_local 2){{$}}
+; CHECK-NEXT: set_local 4, pop{{$}}
 define double @fdiv64(double %x, double %y) {
   %a = fdiv double %x, %y
   ret double %a
 }
 
-; CHECK-LABEL: (func $fabs64
-; CHECK: (setlocal @1 (fabs @0))
+; CHECK-LABEL: fabs64:
+; CHECK: f64.abs push, (get_local 1){{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
 define double @fabs64(double %x) {
   %a = call double @llvm.fabs.f64(double %x)
   ret double %a
 }
 
-; CHECK-LABEL: (func $fneg64
-; CHECK: (setlocal @1 (fneg @0))
+; CHECK-LABEL: fneg64:
+; CHECK: f64.neg push, (get_local 1){{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
 define double @fneg64(double %x) {
   %a = fsub double -0., %x
   ret double %a
 }
 
-; CHECK-LABEL: (func $copysign64
-; CHECK: (setlocal @2 (copysign @1 @0))
+; CHECK-LABEL: copysign64:
+; CHECK: f64.copysign push, (get_local 3), (get_local 2){{$}}
+; CHECK-NEXT: set_local 4, pop{{$}}
 define double @copysign64(double %x, double %y) {
   %a = call double @llvm.copysign.f64(double %x, double %y)
   ret double %a
 }
 
-; CHECK-LABEL: (func $sqrt64
-; CHECK: (setlocal @1 (sqrt @0))
+; CHECK-LABEL: sqrt64:
+; CHECK: f64.sqrt push, (get_local 1){{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
 define double @sqrt64(double %x) {
   %a = call double @llvm.sqrt.f64(double %x)
   ret double %a
 }
 
-; CHECK-LABEL: (func $ceil64
-; CHECK: (setlocal @1 (ceil @0))
+; CHECK-LABEL: ceil64:
+; CHECK: f64.ceil push, (get_local 1){{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
 define double @ceil64(double %x) {
   %a = call double @llvm.ceil.f64(double %x)
   ret double %a
 }
 
-; CHECK-LABEL: (func $floor64
-; CHECK: (setlocal @1 (floor @0))
+; CHECK-LABEL: floor64:
+; CHECK: f64.floor push, (get_local 1){{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
 define double @floor64(double %x) {
   %a = call double @llvm.floor.f64(double %x)
   ret double %a
 }
 
-; CHECK-LABEL: (func $trunc64
-; CHECK: (setlocal @1 (trunc @0))
+; CHECK-LABEL: trunc64:
+; CHECK: f64.trunc push, (get_local 1){{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
 define double @trunc64(double %x) {
   %a = call double @llvm.trunc.f64(double %x)
   ret double %a
 }
 
-; CHECK-LABEL: (func $nearest64
-; CHECK: (setlocal @1 (nearest @0))
+; CHECK-LABEL: nearest64:
+; CHECK: f64.nearest push, (get_local 1){{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
 define double @nearest64(double %x) {
   %a = call double @llvm.nearbyint.f64(double %x)
   ret double %a
 }
 
-; CHECK-LABEL: (func $nearest64_via_rint
-; CHECK: (setlocal @1 (nearest @0))
+; CHECK-LABEL: nearest64_via_rint:
+; CHECK: f64.nearest push, (get_local 1){{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
 define double @nearest64_via_rint(double %x) {
   %a = call double @llvm.rint.f64(double %x)
   ret double %a
 }
+
+; Min and max tests. LLVM currently only forms fminnan and fmaxnan nodes in
+; cases where there's a single fcmp with a select and it can prove that one
+; of the arms is never NaN, so we only test that case. In the future if LLVM
+; learns to form fminnan/fmaxnan in more cases, we can write more general
+; tests.
+
+; CHECK-LABEL: fmin64:
+; CHECK: f64.min push, (get_local 1), (get_local 2){{$}}
+; CHECK-NEXT: set_local 3, pop{{$}}
+define double @fmin64(double %x) {
+  %a = fcmp ult double %x, 0.0
+  %b = select i1 %a, double %x, double 0.0
+  ret double %b
+}
+
+; CHECK-LABEL: fmax64:
+; CHECK: f64.max push, (get_local 1), (get_local 2){{$}}
+; CHECK-NEXT: set_local 3, pop{{$}}
+define double @fmax64(double %x) {
+  %a = fcmp ugt double %x, 0.0
+  %b = select i1 %a, double %x, double 0.0
+  ret double %b
+}