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llvm-project/llvm/test/CodeGen/WebAssembly/unused-argument.ll

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[WebAssembly] Added default stack-only instruction mode for MC. Summary: Made it convert from register to stack based instructions, and removed the registers. Fixes to related code that was expecting register based instructions. Added the correct testing flag to all tests, depending on what the format they were expecting so far. Translated one test to stack format as example: reg-stackify-stack.ll tested: llvm-lit -v `find test -name WebAssembly` unittests/MC/* Reviewers: dschuff, sunfish Subscribers: sbc100, jgravelle-google, eraman, aheejin, llvm-commits, jfb Differential Revision: https://reviews.llvm.org/D51241 llvm-svn: 340750
2018-08-27 23:45:51 +08:00
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s
WebAssembly: handle unused function arguments. Subscribers: llvm-commits, sunfish, jfb Differential Revision: http://reviews.llvm.org/D11684 llvm-svn: 243770
2015-08-01 02:13:27 +08:00
; Make sure that argument offsets are correct even if some arguments are unused.
[WebAssembly] Add -m:e to the target triple. This enables ELF-style name mangling, which primarily means using ".L" for private symbols. llvm-svn: 257020
2016-01-07 11:19:23 +08:00
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
[WebAsembly] Update default triple in test files to wasm32-unknown-unkown. Summary: The final -wasm component has been the default for some time now. Subscribers: jfb, dschuff, jgravelle-google, eraman, aheejin, JDevlieghere, sunfish, llvm-commits Differential Revision: https://reviews.llvm.org/D46342 llvm-svn: 332007
2018-05-11 01:49:11 +08:00
target triple = "wasm32-unknown-unknown"
WebAssembly: handle unused function arguments. Subscribers: llvm-commits, sunfish, jfb Differential Revision: http://reviews.llvm.org/D11684 llvm-svn: 243770
2015-08-01 02:13:27 +08:00
[WebAssembly] Switch to a more traditional assembly syntax This new syntax is built around putting each instruction on its own line in a "mnemonic op, op, op" like syntax. It also uses conventional data section directives like ".byte" and so on rather than requiring everything to be in hierarchical S-expression format. This is a more natural syntax for a ".s" file format from the perspective of LLVM MC and related tools, while remaining easy to translate into other forms as needed. llvm-svn: 249364
2015-10-06 08:27:55 +08:00
; CHECK-LABEL: unused_first:
[WebAssembly] Emit .param, .result, and .local through MC. This eliminates one of the main remaining uses of EmitRawText. llvm-svn: 253878
2015-11-24 00:50:18 +08:00
; CHECK-NEXT: .param i32, i32{{$}}
[WebAssembly] Switch to a more traditional assembly syntax This new syntax is built around putting each instruction on its own line in a "mnemonic op, op, op" like syntax. It also uses conventional data section directives like ".byte" and so on rather than requiring everything to be in hierarchical S-expression format. This is a more natural syntax for a ".s" file format from the perspective of LLVM MC and related tools, while remaining easy to translate into other forms as needed. llvm-svn: 249364
2015-10-06 08:27:55 +08:00
; CHECK-NEXT: .result i32{{$}}
[WebAssembly] Enable register coloring and register stackifying. This also takes the push/pop syntax another step forward, introducing stack slot numbers to make it easier to see how expressions are connected. For example, the value pushed in $push7 is popped in $pop7. And, this begins an experiment with making get_local and set_local implicit when an operation directly uses or defines a register. This greatly reduces clutter. If this experiment succeeds, it may make sense to do this for const instructions as well. And, this introduces more special code for ARGUMENTS; hopefully this code will soon be obviated by proper support for live-in virtual registers. llvm-svn: 253465
2015-11-19 00:12:01 +08:00
; CHECK-NEXT: return $1{{$}}
WebAssembly: handle unused function arguments. Subscribers: llvm-commits, sunfish, jfb Differential Revision: http://reviews.llvm.org/D11684 llvm-svn: 243770
2015-08-01 02:13:27 +08:00
define i32 @unused_first(i32 %x, i32 %y) {
ret i32 %y
}
[WebAssembly] Switch to a more traditional assembly syntax This new syntax is built around putting each instruction on its own line in a "mnemonic op, op, op" like syntax. It also uses conventional data section directives like ".byte" and so on rather than requiring everything to be in hierarchical S-expression format. This is a more natural syntax for a ".s" file format from the perspective of LLVM MC and related tools, while remaining easy to translate into other forms as needed. llvm-svn: 249364
2015-10-06 08:27:55 +08:00
; CHECK-LABEL: unused_second:
[WebAssembly] Emit .param, .result, and .local through MC. This eliminates one of the main remaining uses of EmitRawText. llvm-svn: 253878
2015-11-24 00:50:18 +08:00
; CHECK-NEXT: .param i32, i32{{$}}
[WebAssembly] Switch to a more traditional assembly syntax This new syntax is built around putting each instruction on its own line in a "mnemonic op, op, op" like syntax. It also uses conventional data section directives like ".byte" and so on rather than requiring everything to be in hierarchical S-expression format. This is a more natural syntax for a ".s" file format from the perspective of LLVM MC and related tools, while remaining easy to translate into other forms as needed. llvm-svn: 249364
2015-10-06 08:27:55 +08:00
; CHECK-NEXT: .result i32{{$}}
[WebAssembly] Enable register coloring and register stackifying. This also takes the push/pop syntax another step forward, introducing stack slot numbers to make it easier to see how expressions are connected. For example, the value pushed in $push7 is popped in $pop7. And, this begins an experiment with making get_local and set_local implicit when an operation directly uses or defines a register. This greatly reduces clutter. If this experiment succeeds, it may make sense to do this for const instructions as well. And, this introduces more special code for ARGUMENTS; hopefully this code will soon be obviated by proper support for live-in virtual registers. llvm-svn: 253465
2015-11-19 00:12:01 +08:00
; CHECK-NEXT: return $0{{$}}
WebAssembly: handle unused function arguments. Subscribers: llvm-commits, sunfish, jfb Differential Revision: http://reviews.llvm.org/D11684 llvm-svn: 243770
2015-08-01 02:13:27 +08:00
define i32 @unused_second(i32 %x, i32 %y) {
ret i32 %x
}
[WebAssembly] Introduce a new pseudo-operand for unused expression results. llvm-svn: 252975
2015-11-13 08:21:05 +08:00
; CHECK-LABEL: call_something:
[WebAssembly] Rename $discard to $drop in the assembly output. llvm-svn: 269862
2016-05-18 07:19:03 +08:00
; CHECK-NEXT: {{^}} i32.call $drop=, return_something@FUNCTION{{$}}
[WebAssembly] Introduce a new pseudo-operand for unused expression results. llvm-svn: 252975
2015-11-13 08:21:05 +08:00
; CHECK-NEXT: return{{$}}
declare i32 @return_something()
define void @call_something() {
[WebAssembly] Make indentation consistent with the other testcases. NFC. llvm-svn: 253149
2015-11-15 07:17:07 +08:00
call i32 @return_something()
ret void
[WebAssembly] Introduce a new pseudo-operand for unused expression results. llvm-svn: 252975
2015-11-13 08:21:05 +08:00
}