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fix bugs found by LLVM assertions

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This commit is contained in:
Jaden Weiss
2019-09-15 12:43:33 -04:00
parent d975ed9373
commit fee496ae79
9 changed files with 164 additions and 22 deletions
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compiler/syscall.go
+2 -2
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@@ -165,7 +165,7 @@ func (c *Compiler) emitSyscall(frame *Frame, call *ssa.CallCommon) (llvm.Value,
inrange2 := c.builder.CreateICmp(llvm.IntSGT, syscallResult, llvm.ConstInt(c.uintptrType, 0xfffffffffffff000, true), "") // -4096
hasError := c.builder.CreateAnd(inrange1, inrange2, "")
errResult := c.builder.CreateSelect(hasError, c.builder.CreateSub(zero, syscallResult, ""), zero, "syscallError")
retval := llvm.Undef(llvm.StructType([]llvm.Type{c.uintptrType, c.uintptrType, c.uintptrType}, false))
retval := llvm.Undef(c.ctx.StructType([]llvm.Type{c.uintptrType, c.uintptrType, c.uintptrType}, false))
retval = c.builder.CreateInsertValue(retval, syscallResult, 0, "")
retval = c.builder.CreateInsertValue(retval, zero, 1, "")
retval = c.builder.CreateInsertValue(retval, errResult, 2, "")
@@ -181,7 +181,7 @@ func (c *Compiler) emitSyscall(frame *Frame, call *ssa.CallCommon) (llvm.Value,
zero := llvm.ConstInt(c.uintptrType, 0, false)
hasError := c.builder.CreateICmp(llvm.IntNE, syscallResult, llvm.ConstInt(c.uintptrType, 0, false), "")
errResult := c.builder.CreateSelect(hasError, syscallResult, zero, "syscallError")
retval := llvm.Undef(llvm.StructType([]llvm.Type{c.uintptrType, c.uintptrType, c.uintptrType}, false))
retval := llvm.Undef(c.ctx.StructType([]llvm.Type{c.uintptrType, c.uintptrType, c.uintptrType}, false))
retval = c.builder.CreateInsertValue(retval, syscallResult, 0, "")
retval = c.builder.CreateInsertValue(retval, zero, 1, "")
retval = c.builder.CreateInsertValue(retval, errResult, 2, "")