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c7f8ab2cc1
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
49 lines
1.2 KiB
LLVM
49 lines
1.2 KiB
LLVM
; RUN: llc < %s -fast-isel -asm-verbose=false -wasm-keep-registers | FileCheck %s
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; Fast-isel uses a 32-bit xor with -1 to negate i1 values, because it doesn't
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; make any guarantees about the contents of the high bits of a register holding
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; an i1 value. Test that when we do a `br_if` or `br_unless` with what what an
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; i1 value in LLVM IR, that we only test the low bit.
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; CHECK: i32.xor
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; CHECK: i32.const $push[[L0:[0-9]+]]=, 1{{$}}
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; CHECK: i32.and $push[[L1:[0-9]+]]=, $pop{{[0-9]+}}, $pop[[L0]]{{$}}
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; CHECK: br_if 0, $pop[[L1]]{{$}}
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; CHECK: i32.xor
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; CHECK: i32.const $push[[L2:[0-9]+]]=, 1{{$}}
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; CHECK: i32.and $push[[L3:[0-9]+]]=, $pop{{[0-9]+}}, $pop[[L2]]{{$}}
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; CHECK: br_if 0, $pop[[L3]]{{$}}
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define void @test() {
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start:
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%0 = call i32 @return_one()
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br label %bb1
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bb1:
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%1 = icmp eq i32 %0, 1
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%2 = xor i1 %1, true
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br i1 %2, label %bb2, label %bb3
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bb2:
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call void @panic()
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unreachable
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bb3:
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%3 = xor i1 %2, true
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br i1 %3, label %bb4, label %bb5
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bb4:
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call void @panic()
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unreachable
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bb5:
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ret void
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}
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declare i32 @return_one()
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declare void @panic()
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