1 files changed, 255 insertions, 0 deletions
diff --git a/test/CodeGen/WebAssembly/conv.ll b/test/CodeGen/WebAssembly/conv.ll
new file mode 100644
index 000000000000..e1acaca2c9ec
--- /dev/null
+++ b/test/CodeGen/WebAssembly/conv.ll
@@ -0,0 +1,255 @@
+; RUN: llc < %s -asm-verbose=false | FileCheck %s
+
+; Test that basic conversion operations assemble as expected.
+
+target datalayout = "e-p:32:32-i64:64-n32:64-S128"
+target triple = "wasm32-unknown-unknown"
+
+; CHECK-LABEL: i32_wrap_i64:
+; CHECK-NEXT: .param i64{{$}}
+; CHECK-NEXT: .result i32{{$}}
+; CHECK-NEXT: i32.wrap/i64 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define i32 @i32_wrap_i64(i64 %x) {
+  %a = trunc i64 %x to i32
+  ret i32 %a
+}
+
+; CHECK-LABEL: i64_extend_s_i32:
+; CHECK-NEXT: .param i32{{$}}
+; CHECK-NEXT: .result i64{{$}}
+; CHECK-NEXT: i64.extend_s/i32 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define i64 @i64_extend_s_i32(i32 %x) {
+  %a = sext i32 %x to i64
+  ret i64 %a
+}
+
+; CHECK-LABEL: i64_extend_u_i32:
+; CHECK-NEXT: .param i32{{$}}
+; CHECK-NEXT: .result i64{{$}}
+; CHECK-NEXT: i64.extend_u/i32 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define i64 @i64_extend_u_i32(i32 %x) {
+  %a = zext i32 %x to i64
+  ret i64 %a
+}
+
+; CHECK-LABEL: i32_trunc_s_f32:
+; CHECK-NEXT: .param f32{{$}}
+; CHECK-NEXT: .result i32{{$}}
+; CHECK-NEXT: i32.trunc_s/f32 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define i32 @i32_trunc_s_f32(float %x) {
+  %a = fptosi float %x to i32
+  ret i32 %a
+}
+
+; CHECK-LABEL: i32_trunc_u_f32:
+; CHECK-NEXT: .param f32{{$}}
+; CHECK-NEXT: .result i32{{$}}
+; CHECK-NEXT: i32.trunc_u/f32 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define i32 @i32_trunc_u_f32(float %x) {
+  %a = fptoui float %x to i32
+  ret i32 %a
+}
+
+; CHECK-LABEL: i32_trunc_s_f64:
+; CHECK-NEXT: .param f64{{$}}
+; CHECK-NEXT: .result i32{{$}}
+; CHECK-NEXT: i32.trunc_s/f64 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define i32 @i32_trunc_s_f64(double %x) {
+  %a = fptosi double %x to i32
+  ret i32 %a
+}
+
+; CHECK-LABEL: i32_trunc_u_f64:
+; CHECK-NEXT: .param f64{{$}}
+; CHECK-NEXT: .result i32{{$}}
+; CHECK-NEXT: i32.trunc_u/f64 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define i32 @i32_trunc_u_f64(double %x) {
+  %a = fptoui double %x to i32
+  ret i32 %a
+}
+
+; CHECK-LABEL: i64_trunc_s_f32:
+; CHECK-NEXT: .param f32{{$}}
+; CHECK-NEXT: .result i64{{$}}
+; CHECK-NEXT: i64.trunc_s/f32 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define i64 @i64_trunc_s_f32(float %x) {
+  %a = fptosi float %x to i64
+  ret i64 %a
+}
+
+; CHECK-LABEL: i64_trunc_u_f32:
+; CHECK-NEXT: .param f32{{$}}
+; CHECK-NEXT: .result i64{{$}}
+; CHECK-NEXT: i64.trunc_u/f32 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define i64 @i64_trunc_u_f32(float %x) {
+  %a = fptoui float %x to i64
+  ret i64 %a
+}
+
+; CHECK-LABEL: i64_trunc_s_f64:
+; CHECK-NEXT: .param f64{{$}}
+; CHECK-NEXT: .result i64{{$}}
+; CHECK-NEXT: i64.trunc_s/f64 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define i64 @i64_trunc_s_f64(double %x) {
+  %a = fptosi double %x to i64
+  ret i64 %a
+}
+
+; CHECK-LABEL: i64_trunc_u_f64:
+; CHECK-NEXT: .param f64{{$}}
+; CHECK-NEXT: .result i64{{$}}
+; CHECK-NEXT: i64.trunc_u/f64 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define i64 @i64_trunc_u_f64(double %x) {
+  %a = fptoui double %x to i64
+  ret i64 %a
+}
+
+; CHECK-LABEL: f32_convert_s_i32:
+; CHECK-NEXT: .param i32{{$}}
+; CHECK-NEXT: .result f32{{$}}
+; CHECK-NEXT: f32.convert_s/i32 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define float @f32_convert_s_i32(i32 %x) {
+  %a = sitofp i32 %x to float
+  ret float %a
+}
+
+; CHECK-LABEL: f32_convert_u_i32:
+; CHECK-NEXT: .param i32{{$}}
+; CHECK-NEXT: .result f32{{$}}
+; CHECK-NEXT: f32.convert_u/i32 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define float @f32_convert_u_i32(i32 %x) {
+  %a = uitofp i32 %x to float
+  ret float %a
+}
+
+; CHECK-LABEL: f64_convert_s_i32:
+; CHECK-NEXT: .param i32{{$}}
+; CHECK-NEXT: .result f64{{$}}
+; CHECK-NEXT: f64.convert_s/i32 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define double @f64_convert_s_i32(i32 %x) {
+  %a = sitofp i32 %x to double
+  ret double %a
+}
+
+; CHECK-LABEL: f64_convert_u_i32:
+; CHECK-NEXT: .param i32{{$}}
+; CHECK-NEXT: .result f64{{$}}
+; CHECK-NEXT: f64.convert_u/i32 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define double @f64_convert_u_i32(i32 %x) {
+  %a = uitofp i32 %x to double
+  ret double %a
+}
+
+; CHECK-LABEL: f32_convert_s_i64:
+; CHECK-NEXT: .param i64{{$}}
+; CHECK-NEXT: .result f32{{$}}
+; CHECK-NEXT: f32.convert_s/i64 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define float @f32_convert_s_i64(i64 %x) {
+  %a = sitofp i64 %x to float
+  ret float %a
+}
+
+; CHECK-LABEL: f32_convert_u_i64:
+; CHECK-NEXT: .param i64{{$}}
+; CHECK-NEXT: .result f32{{$}}
+; CHECK-NEXT: f32.convert_u/i64 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define float @f32_convert_u_i64(i64 %x) {
+  %a = uitofp i64 %x to float
+  ret float %a
+}
+
+; CHECK-LABEL: f64_convert_s_i64:
+; CHECK-NEXT: .param i64{{$}}
+; CHECK-NEXT: .result f64{{$}}
+; CHECK-NEXT: f64.convert_s/i64 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define double @f64_convert_s_i64(i64 %x) {
+  %a = sitofp i64 %x to double
+  ret double %a
+}
+
+; CHECK-LABEL: f64_convert_u_i64:
+; CHECK-NEXT: .param i64{{$}}
+; CHECK-NEXT: .result f64{{$}}
+; CHECK-NEXT: f64.convert_u/i64 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define double @f64_convert_u_i64(i64 %x) {
+  %a = uitofp i64 %x to double
+  ret double %a
+}
+
+; CHECK-LABEL: f64_promote_f32:
+; CHECK-NEXT: .param f32{{$}}
+; CHECK-NEXT: .result f64{{$}}
+; CHECK-NEXT: f64.promote/f32 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define double @f64_promote_f32(float %x) {
+  %a = fpext float %x to double
+  ret double %a
+}
+
+; CHECK-LABEL: f32_demote_f64:
+; CHECK-NEXT: .param f64{{$}}
+; CHECK-NEXT: .result f32{{$}}
+; CHECK-NEXT: f32.demote/f64 $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: return $pop[[NUM]]{{$}}
+define float @f32_demote_f64(double %x) {
+  %a = fptrunc double %x to float
+  ret float %a
+}
+
+; If the high its are unused, LLVM will optimize sext/zext into anyext, which
+; we need to patterm-match back to a specific instruction.
+
+; CHECK-LABEL: anyext:
+; CHECK: i64.extend_u/i32 $push0=, $0{{$}}
+define i64 @anyext(i32 %x) {
+    %y = sext i32 %x to i64
+    %w = shl i64 %y, 32
+    ret i64 %w
+}
+
+; CHECK-LABEL: bitcast_i32_to_float:
+; CHECK: f32.reinterpret/i32   $push0=, $0{{$}}
+define float @bitcast_i32_to_float(i32 %a) {
+  %t = bitcast i32 %a to float
+  ret float %t
+}
+
+; CHECK-LABEL: bitcast_float_to_i32:
+; CHECK: i32.reinterpret/f32   $push0=, $0{{$}}
+define i32 @bitcast_float_to_i32(float %a) {
+  %t = bitcast float %a to i32
+  ret i32 %t
+}
+
+; CHECK-LABEL: bitcast_i64_to_double:
+; CHECK: f64.reinterpret/i64   $push0=, $0{{$}}
+define double @bitcast_i64_to_double(i64 %a) {
+  %t = bitcast i64 %a to double
+  ret double %t
+}
+
+; CHECK-LABEL: bitcast_double_to_i64:
+; CHECK: i64.reinterpret/f64   $push0=, $0{{$}}
+define i64 @bitcast_double_to_i64(double %a) {
+  %t = bitcast double %a to i64
+  ret i64 %t
+}