[WebAssembly] Fix legalization of shift operators on large integer types.

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

diff --git a/test/CodeGen/WebAssembly/phi.ll b/test/CodeGen/WebAssembly/phi.ll
index 13fb5ebc53056fcd8d98a240e072e1e1faab81ec..bae8a7c9e3b85b6d663ab4f72478367a0553d7d1 100644 (file)
--- a/test/CodeGen/WebAssembly/phi.ll
+++ b/test/CodeGen/WebAssembly/phi.ll
@@ -1,17 +1,15 @@
-; RUN: llc < %s -asm-verbose=false | FileCheck %s
-
-; This test depends on branching support, which is not yet checked in.
-; XFAIL: *
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs | FileCheck %s
 
 ; Test that phis are lowered.
 
-target datalayout = "e-p:32:32-i64:64-v128:8:128-n32:64-S128"
+target datalayout = "e-p:32:32-i64:64-n32:64-S128"
 target triple = "wasm32-unknown-unknown"
 
-; CHECK-LABEL: test0
-; CHECK: (setlocal [[REG:@.*]] (argument 0))
-; CHECK: (setlocal [[REG]] (sdiv [[REG]] {{.*}}))
-; CHECK: (return [[REG]])
+; Basic phi triangle.
+
+; CHECK-LABEL: test0:
+; CHECK: div_s $[[NUM0:[0-9]+]]=, $0, $pop[[NUM1:[0-9]+]]{{$}}
+; CHECK: return $[[NUM0]]{{$}}
 define i32 @test0(i32 %p) {
 entry:
   %t = icmp slt i32 %p, 0
@@ -23,3 +21,27 @@ done:
   %s = phi i32 [ %a, %true ], [ %p, %entry ]
   ret i32 %s
 }
+
+; Swap phis.
+
+; CHECK-LABEL: test1:
+; CHECK: BB1_1:
+; CHECK: copy_local $[[NUM0:[0-9]+]]=, $[[NUM1:[0-9]+]]{{$}}
+; CHECK: copy_local $[[NUM1]]=, $[[NUM2:[0-9]+]]{{$}}
+; CHECK: copy_local $[[NUM2]]=, $[[NUM0]]{{$}}
+define i32 @test1(i32 %n) {
+entry:
+  br label %loop
+
+loop:
+  %a = phi i32 [ 0, %entry ], [ %b, %loop ]
+  %b = phi i32 [ 1, %entry ], [ %a, %loop ]
+  %i = phi i32 [ 0, %entry ], [ %i.next, %loop ]
+
+  %i.next = add i32 %i, 1
+  %t = icmp slt i32 %i.next, %n
+  br i1 %t, label %loop, label %exit
+
+exit:
+  ret i32 %a
+}