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1; RUN: llc -verify-machineinstrs -O2 -mtriple=powerpc64-unknown-linux-gnu -fast-isel=false < %s | FileCheck %s2 3; This verifies that single-precision floating point values that can't4; be passed in registers are stored in the rightmost word of the parameter5; save area slot. There are 13 architected floating-point registers, so6; the 14th is passed in storage. The address of the 14th argument is7; 48 (fixed size of the linkage area) + 13 * 8 (first 13 args) + 48; (offset to second word) = 156.9 10define float @bar(float %a, float %b, float %c, float %d, float %e, float %f, float %g, float %h, float %i, float %j, float %k, float %l, float %m, float %n) nounwind {11entry:12 %a.addr = alloca float, align 413 %b.addr = alloca float, align 414 %c.addr = alloca float, align 415 %d.addr = alloca float, align 416 %e.addr = alloca float, align 417 %f.addr = alloca float, align 418 %g.addr = alloca float, align 419 %h.addr = alloca float, align 420 %i.addr = alloca float, align 421 %j.addr = alloca float, align 422 %k.addr = alloca float, align 423 %l.addr = alloca float, align 424 %m.addr = alloca float, align 425 %n.addr = alloca float, align 426 store float %a, ptr %a.addr, align 427 store float %b, ptr %b.addr, align 428 store float %c, ptr %c.addr, align 429 store float %d, ptr %d.addr, align 430 store float %e, ptr %e.addr, align 431 store float %f, ptr %f.addr, align 432 store float %g, ptr %g.addr, align 433 store float %h, ptr %h.addr, align 434 store float %i, ptr %i.addr, align 435 store float %j, ptr %j.addr, align 436 store float %k, ptr %k.addr, align 437 store float %l, ptr %l.addr, align 438 store float %m, ptr %m.addr, align 439 store float %n, ptr %n.addr, align 440 %0 = load float, ptr %n.addr, align 441 ret float %042}43 44; CHECK: lfs {{[0-9]+}}, 156(1)45 46define float @foo() nounwind {47entry:48 %a = alloca float, align 449 %b = alloca float, align 450 %c = alloca float, align 451 %d = alloca float, align 452 %e = alloca float, align 453 %f = alloca float, align 454 %g = alloca float, align 455 %h = alloca float, align 456 %i = alloca float, align 457 %j = alloca float, align 458 %k = alloca float, align 459 %l = alloca float, align 460 %m = alloca float, align 461 %n = alloca float, align 462 store float 1.000000e+00, ptr %a, align 463 store float 2.000000e+00, ptr %b, align 464 store float 3.000000e+00, ptr %c, align 465 store float 4.000000e+00, ptr %d, align 466 store float 5.000000e+00, ptr %e, align 467 store float 6.000000e+00, ptr %f, align 468 store float 7.000000e+00, ptr %g, align 469 store float 8.000000e+00, ptr %h, align 470 store float 9.000000e+00, ptr %i, align 471 store float 1.000000e+01, ptr %j, align 472 store float 1.100000e+01, ptr %k, align 473 store float 1.200000e+01, ptr %l, align 474 store float 1.300000e+01, ptr %m, align 475 store float 1.400000e+01, ptr %n, align 476 %0 = load float, ptr %a, align 477 %1 = load float, ptr %b, align 478 %2 = load float, ptr %c, align 479 %3 = load float, ptr %d, align 480 %4 = load float, ptr %e, align 481 %5 = load float, ptr %f, align 482 %6 = load float, ptr %g, align 483 %7 = load float, ptr %h, align 484 %8 = load float, ptr %i, align 485 %9 = load float, ptr %j, align 486 %10 = load float, ptr %k, align 487 %11 = load float, ptr %l, align 488 %12 = load float, ptr %m, align 489 %13 = load float, ptr %n, align 490 %call = call float @bar(float %0, float %1, float %2, float %3, float %4, float %5, float %6, float %7, float %8, float %9, float %10, float %11, float %12, float %13)91 ret float %call92}93 94; Note that stw is used instead of stfs because the value is a simple95; constant that can be created with a load-immediate in a GPR.96; CHECK: stw {{[0-9]+}}, 156(1)97 98