From 3c8e228ac9f17aa59db6075a29651de8a268c5cd Mon Sep 17 00:00:00 2001
From: Dan Gohman <dan433584@gmail.com>
Date: Tue, 23 Jan 2018 16:55:44 +0000
Subject: [PATCH] [WebAssembly] Switch to *-wasm as the default target triple.

This makes wasm32-unknown-unknown-wasm the default, which supports
the .o file writer and the new linking ABI. To enable s2wasm-compatible
output, use the wasm32-unknown-unknown-elf triple.

llvm-svn: 323220
---
 lib/Support/Triple.cpp                   |  6 ++++--
 test/CodeGen/WebAssembly/dbgvalue.ll     |  2 +-
 test/CodeGen/WebAssembly/implicit-def.ll |  2 +-
 test/CodeGen/WebAssembly/signext-arg.ll  | 12 ++++++------
 test/CodeGen/WebAssembly/umulo-i64.ll    |  6 +++---
 5 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp
index 4f0a30042b7..b54ed40f057 100644
--- a/lib/Support/Triple.cpp
+++ b/lib/Support/Triple.cpp
@@ -670,8 +670,6 @@ static Triple::ObjectFormatType getDefaultFormat(const Triple &T) {
   case Triple::tce:
   case Triple::tcele:
   case Triple::thumbeb:
-  case Triple::wasm32:
-  case Triple::wasm64:
   case Triple::xcore:
     return Triple::ELF;
 
@@ -680,6 +678,10 @@ static Triple::ObjectFormatType getDefaultFormat(const Triple &T) {
     if (T.isOSDarwin())
       return Triple::MachO;
     return Triple::ELF;
+
+  case Triple::wasm32:
+  case Triple::wasm64:
+    return Triple::Wasm;
   }
   llvm_unreachable("unknown architecture");
 }
diff --git a/test/CodeGen/WebAssembly/dbgvalue.ll b/test/CodeGen/WebAssembly/dbgvalue.ll
index 438bea33282..088fc8f9a9d 100644
--- a/test/CodeGen/WebAssembly/dbgvalue.ll
+++ b/test/CodeGen/WebAssembly/dbgvalue.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -O0 -verify-machineinstrs -mtriple=wasm32-unknown-unknown-wasm | FileCheck %s
+; RUN: llc < %s -O0 -verify-machineinstrs | FileCheck %s
 
 ; CHECK: %bb.0
 ; CHECK: #DEBUG_VALUE: usage:self <- %4
diff --git a/test/CodeGen/WebAssembly/implicit-def.ll b/test/CodeGen/WebAssembly/implicit-def.ll
index 1f9f74887e8..81f9b65ca0a 100644
--- a/test/CodeGen/WebAssembly/implicit-def.ll
+++ b/test/CodeGen/WebAssembly/implicit-def.ll
@@ -1,4 +1,4 @@
-; RUN: llc -o - %s | FileCheck %s
+; RUN: llc -o - %s -asm-verbose=false | FileCheck %s
 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
 target triple = "wasm32-unknown-unknown-wasm"
 
diff --git a/test/CodeGen/WebAssembly/signext-arg.ll b/test/CodeGen/WebAssembly/signext-arg.ll
index 32d74a20b75..2e7253297ed 100644
--- a/test/CodeGen/WebAssembly/signext-arg.ll
+++ b/test/CodeGen/WebAssembly/signext-arg.ll
@@ -1,22 +1,22 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -march=wasm32 | FileCheck %s
+; RUN: llc < %s -asm-verbose=false -disable-wasm-explicit-locals | FileCheck %s
+
+target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
+target triple = "wasm32-unknown-unknown-wasm"
 
 declare i32 @get_int(i16 %arg)
 
 define i32 @func_1(i16 %arg1 , i32 %arg2) #0 {
 ; CHECK-LABEL: func_1:
-; CHECK:       # %bb.0: # %entry
-; CHECK-NEXT:    i32.const $push1=, 16
+; CHECK:         i32.const $push1=, 16
 ; CHECK-NEXT:    i32.shl $push2=, $0, $pop1
 ; CHECK-NEXT:    i32.const $push4=, 16
 ; CHECK-NEXT:    i32.shr_s $push3=, $pop2, $pop4
 ; CHECK-NEXT:    i32.call $push0=, get_int@FUNCTION, $pop3
-; CHECK-NEXT:    # fallthrough-return: $pop0
-; CHECK-NEXT:    .endfunc
+; CHECK-NEXT:    end_function
 entry:
   %retval = call i32 @get_int(i16 signext %arg1)
   ret i32 %retval
 }
 
 attributes #0 = {noinline nounwind optnone}
-
diff --git a/test/CodeGen/WebAssembly/umulo-i64.ll b/test/CodeGen/WebAssembly/umulo-i64.ll
index 75c2d507e4a..6ad3bc390a8 100644
--- a/test/CodeGen/WebAssembly/umulo-i64.ll
+++ b/test/CodeGen/WebAssembly/umulo-i64.ll
@@ -1,7 +1,7 @@
-; RUN: llc < %s -asm-verbose=false | FileCheck %s
+; RUN: llc < %s -asm-verbose=false -disable-wasm-explicit-locals | FileCheck %s
 ; Test that UMULO works correctly on 64-bit operands.
 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
-target triple = "wasm32-unknown-unknown"
+target triple = "wasm32-unknown-unknown-wasm"
 
 ; CHECK-LABEL: _ZN4core3num21_$LT$impl$u20$u64$GT$15overflowing_mul17h07be88b4cbac028fE:
 ; CHECK:     __multi3
@@ -21,7 +21,7 @@ attributes #0 = { inlinehint }
 attributes #1 = { nounwind readnone speculatable }
 
 ; CHECK-LABEL: wut:
-; CHECK: call     __multi3@FUNCTION, $2, $0, $pop0, $1, $pop10
+; CHECK: call     __multi3@FUNCTION, $2, $0, $pop0, $1, $pop7
 ; CHECK: i64.load $0=, 8($2)
 define i1 @wut(i64, i64) {
 start: