phi for da D #8
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phi for da D #8
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probably-neb
commented
May 22, 2024
probably-neb
commented
- Phi cont
- not passing,
- Todo overview updated, notes on how to do future work
- Phi printing -> <-
- haha
- More changes
- starting the blocks
- cfg if implemented
- started while
- dom tree
- dom fronteir almost done, seg faulting tho
- dom fronteir almost perfect, need to clean up returns
- I think Dominance Fronteir is working, I've no idea how to check, nor do I know if I should do iterated instead?
- Filling BBs
- Phi generation v3 ready to implemented
- phi gen working
… do I know if I should do iterated instead?
… do I know if I should do iterated instead?
define i64 @main() {entry: %a3 = alloca i64 %a4 = load i64, i64* %a3 %c8 = alloca i64 %c9 = load i64, i64* %c8 %b14 = alloca i64 %b15 = load i64, i64* %b14 br label %body0body0: br label %if.cond1if.cond1: %imm_store5 = add i64 1, 0 %_6 = icmp eq i64 %a4, %imm_store5 br i1 %_6, label %then.body2, label %if.exit4then.body2: br label %then.exit3then.exit3: br label %if.exit4if.exit4: %b0 = phi i64 [ %b15, %if.cond1 ], [ %c9, %then.exit3 ] br label %exitexit: %return_reg12 = phi i64 [ %a4, %if.exit4 ] ret i64 %return_reg12}
declare i8* @malloc(i32)declare void @free(i8*)declare i32 @printf(i8*, ...)declare i32 @scanf(i8*, ...)@.println = private unnamed_addr constant [5 x i8] c"%ld\0A\00", align [email protected] = private unnamed_addr constant [5 x i8] c"%ld \00", align [email protected] = private unnamed_addr constant [4 x i8] c"%ld\00", align [email protected]_scratch = common global i32 0, align 4define void @main() {entry: br label %body0body0: %imm_store2 = add i64 10, 0 br label %while.cond11while.cond11: %imm_store4 = add i64 0, 0 %_5 = icmp sge i64 %imm_store2, %imm_store4 br i1 %_5, label %while.body2, label %while.exit5while.body2: %a1 = phi i64 [ %imm_store2, %while.cond11 ], [ %_10, %while.fillback4 ] %_7 = getelementptr [ 5 x i8 ], [ 5 x i8 ]* @.println, i1 0, i32 0 %_8 = call i32 (i8*, ...) @printf(i8* %_7, i64 %a1) %imm_store9 = add i64 1, 0 %_10 = sub i64 %a1, %imm_store9 br label %while.cond23while.cond23: %imm_store12 = add i64 0, 0 %imm_store13 = icmp sge i64 %_10, %imm_store12 br i1 %imm_store13, label %while.fillback4, label %while.exit5while.fillback4: br label %while.body2while.exit5: %a0 = phi i64 [ %imm_store2, %while.cond11 ], [ %_10, %while.cond23 ] br label %exitexit: ret void}
…er scale fill back, I think maybe just a phi for every node? This is thinking for a later time
…inipp into phi_llmedaddy.biz
The fundemental issue is that the params are not stored as regs, this will have to be fixed
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