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llvm-mirror/test/CodeGen/X86/2009-04-20-LinearScanOpt.ll
Dan Gohman b1528d73d1 Re-apply r84295, with fixes to how the loop "top" and "bottom" blocks are
tracked. Instead of trying to manually keep track of these locations
while doing complex modifications, just recompute them when they're needed.
This fixes a bug in which the TopMBB and BotMBB were not correctly updated,
leading to invalid transformations.

llvm-svn: 84598
2009-10-20 04:50:37 +00:00

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 83
; rdar://6802189
; Test if linearscan is unfavoring registers for allocation to allow more reuse
; of reloads from stack slots.
%struct.SHA_CTX = type { i32, i32, i32, i32, i32, i32, i32, [16 x i32], i32 }
define fastcc void @sha1_block_data_order(%struct.SHA_CTX* nocapture %c, i8* %p, i64 %num) nounwind {
entry:
br label %bb
bb: ; preds = %bb, %entry
%asmtmp511 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 0) nounwind ; <i32> [#uses=3]
%asmtmp513 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 0) nounwind ; <i32> [#uses=2]
%asmtmp516 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 0) nounwind ; <i32> [#uses=1]
%asmtmp517 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 0) nounwind ; <i32> [#uses=2]
%0 = xor i32 0, %asmtmp513 ; <i32> [#uses=0]
%1 = add i32 0, %asmtmp517 ; <i32> [#uses=1]
%2 = add i32 %1, 0 ; <i32> [#uses=1]
%3 = add i32 %2, 0 ; <i32> [#uses=1]
%asmtmp519 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 0) nounwind ; <i32> [#uses=1]
%4 = xor i32 0, %asmtmp511 ; <i32> [#uses=1]
%asmtmp520 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %4) nounwind ; <i32> [#uses=2]
%5 = xor i32 0, %asmtmp516 ; <i32> [#uses=1]
%6 = xor i32 %5, %asmtmp519 ; <i32> [#uses=1]
%7 = add i32 %asmtmp513, -899497514 ; <i32> [#uses=1]
%8 = add i32 %7, %asmtmp520 ; <i32> [#uses=1]
%9 = add i32 %8, %6 ; <i32> [#uses=1]
%10 = add i32 %9, 0 ; <i32> [#uses=1]
%asmtmp523 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 0) nounwind ; <i32> [#uses=1]
%asmtmp525 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %3) nounwind ; <i32> [#uses=2]
%11 = xor i32 0, %asmtmp525 ; <i32> [#uses=1]
%12 = add i32 0, %11 ; <i32> [#uses=1]
%13 = add i32 %12, 0 ; <i32> [#uses=2]
%asmtmp528 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %10) nounwind ; <i32> [#uses=1]
%14 = xor i32 0, %asmtmp520 ; <i32> [#uses=1]
%asmtmp529 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %14) nounwind ; <i32> [#uses=1]
%asmtmp530 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 5, i32 %13) nounwind ; <i32> [#uses=1]
%15 = add i32 0, %asmtmp530 ; <i32> [#uses=1]
%16 = xor i32 0, %asmtmp523 ; <i32> [#uses=1]
%asmtmp532 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %16) nounwind ; <i32> [#uses=2]
%asmtmp533 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 5, i32 %15) nounwind ; <i32> [#uses=1]
%17 = xor i32 %13, %asmtmp528 ; <i32> [#uses=1]
%18 = xor i32 %17, 0 ; <i32> [#uses=1]
%19 = add i32 %asmtmp525, -899497514 ; <i32> [#uses=1]
%20 = add i32 %19, %asmtmp532 ; <i32> [#uses=1]
%21 = add i32 %20, %18 ; <i32> [#uses=1]
%22 = add i32 %21, %asmtmp533 ; <i32> [#uses=1]
%23 = xor i32 0, %asmtmp511 ; <i32> [#uses=1]
%24 = xor i32 %23, 0 ; <i32> [#uses=1]
%asmtmp535 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %24) nounwind ; <i32> [#uses=3]
%25 = add i32 0, %asmtmp535 ; <i32> [#uses=1]
%26 = add i32 %25, 0 ; <i32> [#uses=1]
%27 = add i32 %26, 0 ; <i32> [#uses=1]
%28 = xor i32 0, %asmtmp529 ; <i32> [#uses=0]
%29 = xor i32 %22, 0 ; <i32> [#uses=1]
%30 = xor i32 %29, 0 ; <i32> [#uses=1]
%31 = add i32 0, %30 ; <i32> [#uses=1]
%32 = add i32 %31, 0 ; <i32> [#uses=3]
%asmtmp541 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 0) nounwind ; <i32> [#uses=2]
%asmtmp542 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 5, i32 %32) nounwind ; <i32> [#uses=1]
%33 = add i32 0, %asmtmp541 ; <i32> [#uses=1]
%34 = add i32 %33, 0 ; <i32> [#uses=1]
%35 = add i32 %34, %asmtmp542 ; <i32> [#uses=1]
%asmtmp543 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %27) nounwind ; <i32> [#uses=2]
%36 = xor i32 0, %asmtmp535 ; <i32> [#uses=0]
%37 = xor i32 %32, 0 ; <i32> [#uses=1]
%38 = xor i32 %37, %asmtmp543 ; <i32> [#uses=1]
%39 = add i32 0, %38 ; <i32> [#uses=1]
%40 = add i32 %39, 0 ; <i32> [#uses=2]
%asmtmp546 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %32) nounwind ; <i32> [#uses=1]
%asmtmp547 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 0) nounwind ; <i32> [#uses=2]
%41 = add i32 0, -899497514 ; <i32> [#uses=1]
%42 = add i32 %41, %asmtmp547 ; <i32> [#uses=1]
%43 = add i32 %42, 0 ; <i32> [#uses=1]
%44 = add i32 %43, 0 ; <i32> [#uses=3]
%asmtmp549 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %35) nounwind ; <i32> [#uses=2]
%45 = xor i32 0, %asmtmp541 ; <i32> [#uses=1]
%asmtmp550 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %45) nounwind ; <i32> [#uses=2]
%asmtmp551 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 5, i32 %44) nounwind ; <i32> [#uses=1]
%46 = xor i32 %40, %asmtmp546 ; <i32> [#uses=1]
%47 = xor i32 %46, %asmtmp549 ; <i32> [#uses=1]
%48 = add i32 %asmtmp543, -899497514 ; <i32> [#uses=1]
%49 = add i32 %48, %asmtmp550 ; <i32> [#uses=1]
%50 = add i32 %49, %47 ; <i32> [#uses=1]
%51 = add i32 %50, %asmtmp551 ; <i32> [#uses=1]
%asmtmp552 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %40) nounwind ; <i32> [#uses=2]
%52 = xor i32 %44, %asmtmp549 ; <i32> [#uses=1]
%53 = xor i32 %52, %asmtmp552 ; <i32> [#uses=1]
%54 = add i32 0, %53 ; <i32> [#uses=1]
%55 = add i32 %54, 0 ; <i32> [#uses=2]
%asmtmp555 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %44) nounwind ; <i32> [#uses=2]
%56 = xor i32 0, %asmtmp532 ; <i32> [#uses=1]
%57 = xor i32 %56, %asmtmp547 ; <i32> [#uses=1]
%asmtmp556 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %57) nounwind ; <i32> [#uses=1]
%58 = add i32 0, %asmtmp556 ; <i32> [#uses=1]
%59 = add i32 %58, 0 ; <i32> [#uses=1]
%60 = add i32 %59, 0 ; <i32> [#uses=1]
%asmtmp558 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %51) nounwind ; <i32> [#uses=1]
%61 = xor i32 %asmtmp517, %asmtmp511 ; <i32> [#uses=1]
%62 = xor i32 %61, %asmtmp535 ; <i32> [#uses=1]
%63 = xor i32 %62, %asmtmp550 ; <i32> [#uses=1]
%asmtmp559 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 1, i32 %63) nounwind ; <i32> [#uses=1]
%64 = xor i32 %55, %asmtmp555 ; <i32> [#uses=1]
%65 = xor i32 %64, %asmtmp558 ; <i32> [#uses=1]
%asmtmp561 = tail call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"(i32 30, i32 %55) nounwind ; <i32> [#uses=1]
%66 = add i32 %asmtmp552, -899497514 ; <i32> [#uses=1]
%67 = add i32 %66, %65 ; <i32> [#uses=1]
%68 = add i32 %67, %asmtmp559 ; <i32> [#uses=1]
%69 = add i32 %68, 0 ; <i32> [#uses=1]
%70 = add i32 %69, 0 ; <i32> [#uses=1]
store i32 %70, i32* null, align 4
%71 = add i32 0, %60 ; <i32> [#uses=1]
store i32 %71, i32* null, align 4
%72 = add i32 0, %asmtmp561 ; <i32> [#uses=1]
store i32 %72, i32* null, align 4
%73 = add i32 0, %asmtmp555 ; <i32> [#uses=1]
store i32 %73, i32* null, align 4
br label %bb
}