all: switch to LLVM 8

.circleci/config.yml

@@ -70,7 +70,7 @@ commands:
 
 
 jobs:
-  test-llvm7-go111:
+  test-llvm8-go111:
     docker:
       - image: circleci/golang:1.11
 
@@ -79,7 +79,7 @@ jobs:
       - checkout
       - submodules
       - apt-dependencies:
-          llvm: "-7"
+          llvm: "-8"
       - install-node
       - restore_cache:
           keys:
@@ -99,4 +99,4 @@ jobs:
 workflows:
   test-all:
     jobs:
-      - test-llvm7-go111
+      - test-llvm8-go111

.gitmodules

@@ -13,4 +13,4 @@
 [submodule "lib/compiler-rt"]
 	path = lib/compiler-rt
 	url = https://github.com/llvm-mirror/compiler-rt.git
-	branch = release_70
+	branch = release_80

.travis.yml

@@ -13,7 +13,7 @@ addons:
     update: true
     taps: ArmMbed/homebrew-formulae
     packages:
-    - llvm@7
+    - llvm@8
     - qemu
     - arm-none-eabi-gcc
 

BUILDING.md

@@ -30,9 +30,9 @@ on a different system like Mac.
 The first step is to get the source code. Place it in some directory, assuming
 `$HOME/src` here, but you can pick a different one of course:
 
-    git clone -b release_70 https://github.com/llvm-mirror/llvm.git $HOME/src/llvm
+    git clone -b release_80 https://github.com/llvm-mirror/llvm.git $HOME/src/llvm
-    git clone -b release_70 https://github.com/llvm-mirror/clang.git $HOME/src/llvm/tools/clang
+    git clone -b release_80 https://github.com/llvm-mirror/clang.git $HOME/src/llvm/tools/clang
-    git clone -b release_70 https://github.com/llvm-mirror/lld.git $HOME/src/llvm/tools/lld
+    git clone -b release_80 https://github.com/llvm-mirror/lld.git $HOME/src/llvm/tools/lld
     go get -d github.com/tinygo-org/tinygo
     cd $HOME/go/src/github.com/tinygo-org/tinygo
     dep ensure -vendor-only # download dependencies
@@ -62,7 +62,7 @@ Make a build directory. LLVM requires out-of-tree builds:
 
 Configure LLVM with CMake:
 
-    cmake -G Ninja ../llvm "-DLLVM_TARGETS_TO_BUILD=X86;ARM;AArch64" "-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=AVR;WebAssembly" -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=OFF -DLIBCLANG_BUILD_STATIC=ON
+    cmake -G Ninja ../llvm "-DLLVM_TARGETS_TO_BUILD=X86;ARM;AArch64;WebAssembly" "-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=AVR" -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=OFF -DLIBCLANG_BUILD_STATIC=ON
 
 You can also choose a different build system than Ninja, but Ninja is fast.
 

Dockerfile

@@ -1,10 +1,10 @@
-# TinyGo base stage just installs LLVM 7 and the TinyGo compiler itself.
+# TinyGo base stage just installs LLVM 8 and the TinyGo compiler itself.
 FROM golang:latest AS tinygo-base
 
 RUN wget -O- https://apt.llvm.org/llvm-snapshot.gpg.key| apt-key add - && \
-    echo "deb http://apt.llvm.org/stretch/ llvm-toolchain-stretch-7 main" >> /etc/apt/sources.list && \
+    echo "deb http://apt.llvm.org/stretch/ llvm-toolchain-stretch-8 main" >> /etc/apt/sources.list && \
     apt-get update && \
-    apt-get install -y llvm-7-dev libclang-7-dev git
+    apt-get install -y llvm-8-dev libclang-8-dev git
 
 RUN wget -O- https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
 
@@ -25,9 +25,9 @@ COPY --from=tinygo-base /go/src/github.com/tinygo-org/tinygo/src /go/src/github.
 COPY --from=tinygo-base /go/src/github.com/tinygo-org/tinygo/targets /go/src/github.com/tinygo-org/tinygo/targets
 
 RUN wget -O- https://apt.llvm.org/llvm-snapshot.gpg.key| apt-key add - && \
-    echo "deb http://apt.llvm.org/stretch/ llvm-toolchain-stretch-7 main" >> /etc/apt/sources.list && \
+    echo "deb http://apt.llvm.org/stretch/ llvm-toolchain-stretch-8 main" >> /etc/apt/sources.list && \
     apt-get update && \
-    apt-get install -y libllvm7 lld-7
+    apt-get install -y libllvm8 lld-8
 
 # tinygo-avr stage installs the needed dependencies to compile TinyGo programs for AVR microcontrollers.
 FROM tinygo-base AS tinygo-avr
@@ -59,7 +59,7 @@ COPY --from=tinygo-base /go/src/github.com/tinygo-org/tinygo/lib /go/src/github.
 
 RUN cd /go/src/github.com/tinygo-org/tinygo/ && \
     apt-get update && \
-    apt-get install -y apt-utils python3 make binutils-arm-none-eabi clang-7 && \
+    apt-get install -y apt-utils python3 make binutils-arm-none-eabi clang-8 && \
     make gen-device-nrf && make gen-device-stm32 && \
     apt-get remove -y python3 make && \
     apt-get autoremove -y && \
@@ -74,7 +74,7 @@ COPY --from=tinygo-base /go/src/github.com/tinygo-org/tinygo/lib /go/src/github.
 
 RUN cd /go/src/github.com/tinygo-org/tinygo/ && \
     apt-get update && \
-    apt-get install -y apt-utils python3 make binutils-arm-none-eabi clang-7 binutils-avr gcc-avr avr-libc && \
+    apt-get install -y apt-utils python3 make binutils-arm-none-eabi clang-8 binutils-avr gcc-avr avr-libc && \
     make gen-device && \
     apt-get remove -y python3 make && \
     apt-get autoremove -y && \

Gopkg.lock

@@ -22,12 +22,12 @@
   revision = "3744606dbb67b99c60d3f11cb10bd3f9e6dad472"
 
 [[projects]]
-  branch = "master"
+  branch = "llvm8"
-  digest = "1:a6a25fd8906c74978f1ed811bc9fd3422da8093be863b458874b02a782b6ae3e"
+  digest = "1:bf5539bdf6b3cc3ec1e45926db05d81180da11ce722fa1edcce3f0b4e1967da5"
   name = "tinygo.org/x/go-llvm"
   packages = ["."]
   pruneopts = "UT"
-  revision = "d5f730401f5069618b275a5241c6417eb0c38a65"
+  revision = "7707ae5d1261a8929edea7336c8087ca8b520d8d"
 
 [solve-meta]
   analyzer-name = "dep"

Gopkg.toml

@@ -1,5 +1,5 @@
 [[constraint]]
-  branch = "master"
+  branch = "llvm8"
   name = "tinygo.org/x/go-llvm"
 
 [[constraint]]

commands.go

@@ -4,8 +4,8 @@ package main
 
 // commands used by the compilation process might have different file names on Linux than those used on macOS.
 var commands = map[string]string{
-	"ar":      "llvm-ar-7",
+	"ar":      "llvm-ar-8",
-	"clang":   "clang-7",
+	"clang":   "clang-8",
-	"ld.lld":  "ld.lld-7",
+	"ld.lld":  "ld.lld-8",
-	"wasm-ld": "wasm-ld-7",
+	"wasm-ld": "wasm-ld-8",
 }

commands_macos.go

@@ -5,7 +5,7 @@ package main
 // commands used by the compilation process might have different file names on macOS than those used on Linux.
 var commands = map[string]string{
 	"ar":      "llvm-ar",
-	"clang":   "clang-7",
+	"clang":   "clang-8",
-	"ld.lld":  "ld.lld-7",
+	"ld.lld":  "ld.lld-8",
-	"wasm-ld": "wasm-ld-7",
+	"wasm-ld": "wasm-ld-8",
 }

lib/compiler-rt

@@ -1 +1 @@
-Subproject commit a4cbb02bca3b952117e9ccfbad8a485857f25935
+Subproject commit 5bc79797e1f9184f39e1bd30fac75d995b72cea3

loader/libclang.go

@@ -13,7 +13,7 @@ import (
 )
 
 /*
-#include <clang-c/Index.h> // if this fails, install libclang-7-dev
+#include <clang-c/Index.h> // if this fails, install libclang-8-dev
 #include <stdlib.h>
 
 int tinygo_clang_visitor(CXCursor c, CXCursor parent, CXClientData client_data);

loader/libclang_config.go

@@ -3,9 +3,9 @@
 package loader
 
 /*
-#cgo linux  CFLAGS: -I/usr/lib/llvm-7/include
+#cgo linux  CFLAGS: -I/usr/lib/llvm-8/include
 #cgo darwin CFLAGS: -I/usr/local/opt/llvm/include
-#cgo linux  LDFLAGS: -L/usr/lib/llvm-7/lib -lclang
+#cgo linux  LDFLAGS: -L/usr/lib/llvm-8/lib -lclang
 #cgo darwin LDFLAGS: -L/usr/local/opt/llvm/lib -lclang -lffi
 */
 import "C"

targets/cortex-m.json

@@ -2,7 +2,7 @@
 	"build-tags": ["tinygo.arm", "js", "wasm"],
 	"goos": "js",
 	"goarch": "wasm",
-	"compiler": "clang-7",
+	"compiler": "clang-8",
 	"gc": "marksweep",
 	"linker": "arm-none-eabi-ld",
 	"rtlib": "compiler-rt",

targets/wasm.json

@@ -3,14 +3,15 @@
 	"build-tags":    ["js", "wasm"],
 	"goos":          "js",
 	"goarch":        "wasm",
-	"compiler":      "clang-7",
+	"compiler":      "clang-8",
-	"linker":        "wasm-ld-7",
+	"linker":        "wasm-ld-8",
 	"cflags": [
 		"--target=wasm32",
 		"-Oz"
 	],
 	"ldflags": [
-		"-allow-undefined"
+		"--allow-undefined",
+		"--export-all"
 	],
 	"emulator":      ["node", "targets/wasm_exec.js"]
 }