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PrologEpilog code, and use it to determine whether the asm forces stack alignment or not. gcc consistently does not do this for GCC-style asms; Apple gcc inconsistently sometimes does it for asm blocks. There is no convenient place to put a bit in either the SDNode or the MachineInstr form, so I've added an extra operand to each; unlovely, but it does allow for expansion for more bits, should we need it. PR 5125. Some existing testcases are affected. The operand lists of the SDNode and MachineInstr forms are indexed with awesome mnemonics, like "2"; I may fix this someday, but not now. I'm not making it any worse. If anyone is inspired I think you can find all the right places from this patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107506 91177308-0d34-0410-b5e6-96231b3b80d8
122 lines
7.6 KiB
LLVM
122 lines
7.6 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin10.0 -relocation-model=pic -disable-fp-elim -stats |& grep asm-printer | grep 82
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; rdar://6802189
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; Test if linearscan is unfavoring registers for allocation to allow more reuse
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; of reloads from stack slots.
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%struct.SHA_CTX = type { i32, i32, i32, i32, i32, i32, i32, [16 x i32], i32 }
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define fastcc void @sha1_block_data_order(%struct.SHA_CTX* nocapture %c, i8* %p, i64 %num) nounwind {
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entry:
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br label %bb
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bb: ; preds = %bb, %entry
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%asmtmp511 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 0) nounwind ; <i32> [#uses=3]
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%asmtmp513 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 0) nounwind ; <i32> [#uses=2]
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%asmtmp516 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 0) nounwind ; <i32> [#uses=1]
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%asmtmp517 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 0) nounwind ; <i32> [#uses=2]
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%0 = xor i32 0, %asmtmp513 ; <i32> [#uses=0]
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%1 = add i32 0, %asmtmp517 ; <i32> [#uses=1]
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%2 = add i32 %1, 0 ; <i32> [#uses=1]
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%3 = add i32 %2, 0 ; <i32> [#uses=1]
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%asmtmp519 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 0) nounwind ; <i32> [#uses=1]
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%4 = xor i32 0, %asmtmp511 ; <i32> [#uses=1]
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%asmtmp520 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %4) nounwind ; <i32> [#uses=2]
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%5 = xor i32 0, %asmtmp516 ; <i32> [#uses=1]
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%6 = xor i32 %5, %asmtmp519 ; <i32> [#uses=1]
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%7 = add i32 %asmtmp513, -899497514 ; <i32> [#uses=1]
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%8 = add i32 %7, %asmtmp520 ; <i32> [#uses=1]
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%9 = add i32 %8, %6 ; <i32> [#uses=1]
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%10 = add i32 %9, 0 ; <i32> [#uses=1]
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%asmtmp523 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 0) nounwind ; <i32> [#uses=1]
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%asmtmp525 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %3) nounwind ; <i32> [#uses=2]
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%11 = xor i32 0, %asmtmp525 ; <i32> [#uses=1]
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%12 = add i32 0, %11 ; <i32> [#uses=1]
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%13 = add i32 %12, 0 ; <i32> [#uses=2]
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%asmtmp528 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %10) nounwind ; <i32> [#uses=1]
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%14 = xor i32 0, %asmtmp520 ; <i32> [#uses=1]
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%asmtmp529 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %14) nounwind ; <i32> [#uses=1]
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%asmtmp530 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 5, i32 %13) nounwind ; <i32> [#uses=1]
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%15 = add i32 0, %asmtmp530 ; <i32> [#uses=1]
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%16 = xor i32 0, %asmtmp523 ; <i32> [#uses=1]
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%asmtmp532 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %16) nounwind ; <i32> [#uses=2]
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%asmtmp533 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 5, i32 %15) nounwind ; <i32> [#uses=1]
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%17 = xor i32 %13, %asmtmp528 ; <i32> [#uses=1]
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%18 = xor i32 %17, 0 ; <i32> [#uses=1]
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%19 = add i32 %asmtmp525, -899497514 ; <i32> [#uses=1]
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%20 = add i32 %19, %asmtmp532 ; <i32> [#uses=1]
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%21 = add i32 %20, %18 ; <i32> [#uses=1]
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%22 = add i32 %21, %asmtmp533 ; <i32> [#uses=1]
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%23 = xor i32 0, %asmtmp511 ; <i32> [#uses=1]
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%24 = xor i32 %23, 0 ; <i32> [#uses=1]
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%asmtmp535 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %24) nounwind ; <i32> [#uses=3]
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%25 = add i32 0, %asmtmp535 ; <i32> [#uses=1]
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%26 = add i32 %25, 0 ; <i32> [#uses=1]
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%27 = add i32 %26, 0 ; <i32> [#uses=1]
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%28 = xor i32 0, %asmtmp529 ; <i32> [#uses=0]
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%29 = xor i32 %22, 0 ; <i32> [#uses=1]
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%30 = xor i32 %29, 0 ; <i32> [#uses=1]
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%31 = add i32 0, %30 ; <i32> [#uses=1]
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%32 = add i32 %31, 0 ; <i32> [#uses=3]
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%asmtmp541 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 0) nounwind ; <i32> [#uses=2]
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%asmtmp542 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 5, i32 %32) nounwind ; <i32> [#uses=1]
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%33 = add i32 0, %asmtmp541 ; <i32> [#uses=1]
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%34 = add i32 %33, 0 ; <i32> [#uses=1]
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%35 = add i32 %34, %asmtmp542 ; <i32> [#uses=1]
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%asmtmp543 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %27) nounwind ; <i32> [#uses=2]
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%36 = xor i32 0, %asmtmp535 ; <i32> [#uses=0]
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%37 = xor i32 %32, 0 ; <i32> [#uses=1]
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%38 = xor i32 %37, %asmtmp543 ; <i32> [#uses=1]
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%39 = add i32 0, %38 ; <i32> [#uses=1]
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%40 = add i32 %39, 0 ; <i32> [#uses=2]
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%asmtmp546 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %32) nounwind ; <i32> [#uses=1]
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%asmtmp547 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 0) nounwind ; <i32> [#uses=2]
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%41 = add i32 0, -899497514 ; <i32> [#uses=1]
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%42 = add i32 %41, %asmtmp547 ; <i32> [#uses=1]
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%43 = add i32 %42, 0 ; <i32> [#uses=1]
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%44 = add i32 %43, 0 ; <i32> [#uses=3]
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%asmtmp549 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %35) nounwind ; <i32> [#uses=2]
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%45 = xor i32 0, %asmtmp541 ; <i32> [#uses=1]
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%asmtmp550 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %45) nounwind ; <i32> [#uses=2]
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%asmtmp551 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 5, i32 %44) nounwind ; <i32> [#uses=1]
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%46 = xor i32 %40, %asmtmp546 ; <i32> [#uses=1]
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%47 = xor i32 %46, %asmtmp549 ; <i32> [#uses=1]
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%48 = add i32 %asmtmp543, -899497514 ; <i32> [#uses=1]
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%49 = add i32 %48, %asmtmp550 ; <i32> [#uses=1]
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%50 = add i32 %49, %47 ; <i32> [#uses=1]
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%51 = add i32 %50, %asmtmp551 ; <i32> [#uses=1]
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%asmtmp552 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %40) nounwind ; <i32> [#uses=2]
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%52 = xor i32 %44, %asmtmp549 ; <i32> [#uses=1]
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%53 = xor i32 %52, %asmtmp552 ; <i32> [#uses=1]
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%54 = add i32 0, %53 ; <i32> [#uses=1]
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%55 = add i32 %54, 0 ; <i32> [#uses=2]
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%asmtmp555 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %44) nounwind ; <i32> [#uses=2]
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%56 = xor i32 0, %asmtmp532 ; <i32> [#uses=1]
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%57 = xor i32 %56, %asmtmp547 ; <i32> [#uses=1]
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%asmtmp556 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %57) nounwind ; <i32> [#uses=1]
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%58 = add i32 0, %asmtmp556 ; <i32> [#uses=1]
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%59 = add i32 %58, 0 ; <i32> [#uses=1]
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%60 = add i32 %59, 0 ; <i32> [#uses=1]
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%asmtmp558 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %51) nounwind ; <i32> [#uses=1]
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%61 = xor i32 %asmtmp517, %asmtmp511 ; <i32> [#uses=1]
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%62 = xor i32 %61, %asmtmp535 ; <i32> [#uses=1]
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%63 = xor i32 %62, %asmtmp550 ; <i32> [#uses=1]
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%asmtmp559 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %63) nounwind ; <i32> [#uses=1]
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%64 = xor i32 %55, %asmtmp555 ; <i32> [#uses=1]
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%65 = xor i32 %64, %asmtmp558 ; <i32> [#uses=1]
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%asmtmp561 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %55) nounwind ; <i32> [#uses=1]
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%66 = add i32 %asmtmp552, -899497514 ; <i32> [#uses=1]
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%67 = add i32 %66, %65 ; <i32> [#uses=1]
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%68 = add i32 %67, %asmtmp559 ; <i32> [#uses=1]
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%69 = add i32 %68, 0 ; <i32> [#uses=1]
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%70 = add i32 %69, 0 ; <i32> [#uses=1]
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store i32 %70, i32* null, align 4
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%71 = add i32 0, %60 ; <i32> [#uses=1]
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store i32 %71, i32* null, align 4
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%72 = add i32 0, %asmtmp561 ; <i32> [#uses=1]
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store i32 %72, i32* null, align 4
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%73 = add i32 0, %asmtmp555 ; <i32> [#uses=1]
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store i32 %73, i32* null, align 4
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br label %bb
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}
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