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llvm-mirror/test/CodeGen/WebAssembly/explicit-locals.mir
Wouter van Oortmerssen c7f8ab2cc1 [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 15:45:51 +00:00

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# RUN: llc -mtriple=wasm32-unknown-unknown -run-pass wasm-explicit-locals -wasm-keep-registers %s -o - | FileCheck %s
# When a drop instruction is inserted to drop a dead register operand, the
# original operand should be marked not dead anymore because it is now used by
# the new drop instruction. And the operand to the new drop instruction should
# be marked killed instead.
---
name: drop_test
liveins:
- { reg: '$arguments' }
tracksRegLiveness: true
body: |
bb.0:
successors: %bb.1
liveins: $arguments
bb.1:
; predecessors: %bb.0
; CHECK-NOT: dead %{{[0-9]+}}
; CHECK: DROP_I32 killed %{{[0-9]+}}
dead %0:i32 = CONST_I32 0, implicit-def dead $arguments, implicit $sp32, implicit $sp64
RETURN_VOID implicit-def dead $arguments
...