1 files changed, 62 insertions, 0 deletions

diff --git a/test/CodeGen/WebAssembly/legalize.ll b/test/CodeGen/WebAssembly/legalize.ll
new file mode 100644
index 000000000000..e780b2ee36ca
--- /dev/null
+++ b/test/CodeGen/WebAssembly/legalize.ll
@@ -0,0 +1,62 @@
+; RUN: llc < %s -asm-verbose=false | FileCheck %s
+
+; Test various types and operators that need to be legalized.
+
+target datalayout = "e-p:32:32-i64:64-n32:64-S128"
+target triple = "wasm32-unknown-unknown"
+
+; CHECK-LABEL: shl_i3:
+; CHECK: i32.const   $push0=, 7{{$}}
+; CHECK: i32.and     $push1=, $1, $pop0{{$}}
+; CHECK: i32.shl     $push2=, $0, $pop1{{$}}
+define i3 @shl_i3(i3 %a, i3 %b, i3* %p) {
+  %t = shl i3 %a, %b
+  ret i3 %t
+}
+
+; CHECK-LABEL: shl_i53:
+; CHECK: i64.const   $push0=, 9007199254740991{{$}}
+; CHECK: i64.and     $push1=, $1, $pop0{{$}}
+; CHECK: i64.shl     $push2=, $0, $pop1{{$}}
+define i53 @shl_i53(i53 %a, i53 %b, i53* %p) {
+  %t = shl i53 %a, %b
+  ret i53 %t
+}
+
+; CHECK-LABEL: sext_in_reg_i32_i64:
+; CHECK: i64.shl
+; CHECK: i64.shr_s
+define i64 @sext_in_reg_i32_i64(i64 %a) {
+  %b = shl i64 %a, 32
+  %c = ashr i64 %b, 32
+  ret i64 %c
+}
+
+; CHECK-LABEL: fpext_f32_f64:
+; CHECK: f32.load $push0=, 0($0){{$}}
+; CHECK: f64.promote/f32 $push1=, $pop0{{$}}
+; CHECK: return $pop1{{$}}
+define double @fpext_f32_f64(float *%p) {
+  %v = load float, float* %p
+  %e = fpext float %v to double
+  ret double %e
+}
+
+; CHECK-LABEL: fpconv_f64_f32:
+; CHECK: f64.load $push0=, 0($0){{$}}
+; CHECK: f32.demote/f64 $push1=, $pop0{{$}}
+; CHECK: return $pop1{{$}}
+define float @fpconv_f64_f32(double *%p) {
+  %v = load double, double* %p
+  %e = fptrunc double %v to float
+  ret float %e
+}
+
+; Check that big shifts work. This generates a big pile of code from the
+; legalizer; the main thing here is that we don't abort.
+
+; CHECK-LABEL: bigshift:
+define i1024 @bigshift(i1024 %a, i1024 %b) {
+    %c = shl i1024 %a, %b
+    ret i1024 %c
+}