98 lines
3.7 KiB
LLVM
98 lines
3.7 KiB
LLVM
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; RUN: llc -verify-machineinstrs -O2 -mtriple=powerpc64-unknown-linux-gnu -fast-isel=false < %s | FileCheck %s
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; This verifies that single-precision floating point values that can't
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; be passed in registers are stored in the rightmost word of the parameter
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; save area slot. There are 13 architected floating-point registers, so
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; the 14th is passed in storage. The address of the 14th argument is
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; 48 (fixed size of the linkage area) + 13 * 8 (first 13 args) + 4
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; (offset to second word) = 156.
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define 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 {
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entry:
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%a.addr = alloca float, align 4
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%b.addr = alloca float, align 4
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%c.addr = alloca float, align 4
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%d.addr = alloca float, align 4
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%e.addr = alloca float, align 4
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%f.addr = alloca float, align 4
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%g.addr = alloca float, align 4
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%h.addr = alloca float, align 4
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%i.addr = alloca float, align 4
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%j.addr = alloca float, align 4
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%k.addr = alloca float, align 4
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%l.addr = alloca float, align 4
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%m.addr = alloca float, align 4
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%n.addr = alloca float, align 4
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store float %a, float* %a.addr, align 4
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store float %b, float* %b.addr, align 4
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store float %c, float* %c.addr, align 4
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store float %d, float* %d.addr, align 4
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store float %e, float* %e.addr, align 4
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store float %f, float* %f.addr, align 4
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store float %g, float* %g.addr, align 4
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store float %h, float* %h.addr, align 4
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store float %i, float* %i.addr, align 4
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store float %j, float* %j.addr, align 4
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store float %k, float* %k.addr, align 4
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store float %l, float* %l.addr, align 4
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store float %m, float* %m.addr, align 4
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store float %n, float* %n.addr, align 4
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%0 = load float, float* %n.addr, align 4
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ret float %0
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}
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; CHECK: lfs {{[0-9]+}}, 156(1)
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define float @foo() nounwind {
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entry:
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%a = alloca float, align 4
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%b = alloca float, align 4
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%c = alloca float, align 4
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%d = alloca float, align 4
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%e = alloca float, align 4
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%f = alloca float, align 4
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%g = alloca float, align 4
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%h = alloca float, align 4
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%i = alloca float, align 4
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%j = alloca float, align 4
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%k = alloca float, align 4
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%l = alloca float, align 4
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%m = alloca float, align 4
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%n = alloca float, align 4
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store float 1.000000e+00, float* %a, align 4
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store float 2.000000e+00, float* %b, align 4
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store float 3.000000e+00, float* %c, align 4
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store float 4.000000e+00, float* %d, align 4
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store float 5.000000e+00, float* %e, align 4
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store float 6.000000e+00, float* %f, align 4
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store float 7.000000e+00, float* %g, align 4
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store float 8.000000e+00, float* %h, align 4
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store float 9.000000e+00, float* %i, align 4
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store float 1.000000e+01, float* %j, align 4
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store float 1.100000e+01, float* %k, align 4
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store float 1.200000e+01, float* %l, align 4
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store float 1.300000e+01, float* %m, align 4
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store float 1.400000e+01, float* %n, align 4
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%0 = load float, float* %a, align 4
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%1 = load float, float* %b, align 4
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%2 = load float, float* %c, align 4
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%3 = load float, float* %d, align 4
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%4 = load float, float* %e, align 4
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%5 = load float, float* %f, align 4
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%6 = load float, float* %g, align 4
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%7 = load float, float* %h, align 4
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%8 = load float, float* %i, align 4
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%9 = load float, float* %j, align 4
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%10 = load float, float* %k, align 4
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%11 = load float, float* %l, align 4
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%12 = load float, float* %m, align 4
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%13 = load float, float* %n, align 4
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%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)
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ret float %call
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}
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; Note that stw is used instead of stfs because the value is a simple
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; constant that can be created with a load-immediate in a GPR.
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; CHECK: stw {{[0-9]+}}, 156(1)
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