| ; Check that the GHC calling convention works (s390x) |
| ; |
| ; RUN: llc -mtriple=s390x-ibm-linux < %s | FileCheck %s |
| |
| @base = external dso_local global i64 ; assigned to register: r7 |
| @sp = external dso_local global i64 ; assigned to register: r8 |
| @hp = external dso_local global i64 ; assigned to register: r10 |
| @r1 = external dso_local global i64 ; assigned to register: r11 |
| @r2 = external dso_local global i64 ; assigned to register: r12 |
| @r3 = external dso_local global i64 ; assigned to register: r13 |
| @r4 = external dso_local global i64 ; assigned to register: r6 |
| @r5 = external dso_local global i64 ; assigned to register: r2 |
| @r6 = external dso_local global i64 ; assigned to register: r3 |
| @r7 = external dso_local global i64 ; assigned to register: r4 |
| @r8 = external dso_local global i64 ; assigned to register: r5 |
| @splim = external dso_local global i64 ; assigned to register: r9 |
| |
| @f1 = external dso_local global float ; assigned to register: s8 |
| @f2 = external dso_local global float ; assigned to register: s9 |
| @f3 = external dso_local global float ; assigned to register: s10 |
| @f4 = external dso_local global float ; assigned to register: s11 |
| @f5 = external dso_local global float ; assigned to register: s0 |
| @f6 = external dso_local global float ; assigned to register: s1 |
| |
| @d1 = external dso_local global double ; assigned to register: d12 |
| @d2 = external dso_local global double ; assigned to register: d13 |
| @d3 = external dso_local global double ; assigned to register: d14 |
| @d4 = external dso_local global double ; assigned to register: d15 |
| @d5 = external dso_local global double ; assigned to register: d2 |
| @d6 = external dso_local global double ; assigned to register: d3 |
| |
| define ghccc void @foo() nounwind { |
| entry: |
| ; CHECK: larl {{%r[0-9]+}}, d6 |
| ; CHECK-NEXT: ld %f3, 0({{%r[0-9]+}}) |
| ; CHECK-NEXT: larl {{%r[0-9]+}}, d5 |
| ; CHECK-NEXT: ld %f2, 0({{%r[0-9]+}}) |
| ; CHECK-NEXT: larl {{%r[0-9]+}}, d4 |
| ; CHECK-NEXT: ld %f15, 0({{%r[0-9]+}}) |
| ; CHECK-NEXT: larl {{%r[0-9]+}}, d3 |
| ; CHECK-NEXT: ld %f14, 0({{%r[0-9]+}}) |
| ; CHECK-NEXT: larl {{%r[0-9]+}}, d2 |
| ; CHECK-NEXT: ld %f13, 0({{%r[0-9]+}}) |
| ; CHECK-NEXT: larl {{%r[0-9]+}}, d1 |
| ; CHECK-NEXT: ld %f12, 0({{%r[0-9]+}}) |
| ; CHECK-NEXT: larl {{%r[0-9]+}}, f6 |
| ; CHECK-NEXT: le %f1, 0({{%r[0-9]+}}) |
| ; CHECK-NEXT: larl {{%r[0-9]+}}, f5 |
| ; CHECK-NEXT: le %f0, 0({{%r[0-9]+}}) |
| ; CHECK-NEXT: larl {{%r[0-9]+}}, f4 |
| ; CHECK-NEXT: le %f11, 0({{%r[0-9]+}}) |
| ; CHECK-NEXT: larl {{%r[0-9]+}}, f3 |
| ; CHECK-NEXT: le %f10, 0({{%r[0-9]+}}) |
| ; CHECK-NEXT: larl {{%r[0-9]+}}, f2 |
| ; CHECK-NEXT: le %f9, 0({{%r[0-9]+}}) |
| ; CHECK-NEXT: larl {{%r[0-9]+}}, f1 |
| ; CHECK-NEXT: le %f8, 0({{%r[0-9]+}}) |
| ; CHECK-NEXT: lgrl %r9, splim |
| ; CHECK-NEXT: lgrl %r5, r8 |
| ; CHECK-NEXT: lgrl %r4, r7 |
| ; CHECK-NEXT: lgrl %r3, r6 |
| ; CHECK-NEXT: lgrl %r2, r5 |
| ; CHECK-NEXT: lgrl %r6, r4 |
| ; CHECK-NEXT: lgrl %r13, r3 |
| ; CHECK-NEXT: lgrl %r12, r2 |
| ; CHECK-NEXT: lgrl %r11, r1 |
| ; CHECK-NEXT: lgrl %r10, hp |
| ; CHECK-NEXT: lgrl %r8, sp |
| ; CHECK-NEXT: lgrl %r7, base |
| %0 = load double, ptr @d6 |
| %1 = load double, ptr @d5 |
| %2 = load double, ptr @d4 |
| %3 = load double, ptr @d3 |
| %4 = load double, ptr @d2 |
| %5 = load double, ptr @d1 |
| %6 = load float, ptr @f6 |
| %7 = load float, ptr @f5 |
| %8 = load float, ptr @f4 |
| %9 = load float, ptr @f3 |
| %10 = load float, ptr @f2 |
| %11 = load float, ptr @f1 |
| %12 = load i64, ptr @splim |
| %13 = load i64, ptr @r8 |
| %14 = load i64, ptr @r7 |
| %15 = load i64, ptr @r6 |
| %16 = load i64, ptr @r5 |
| %17 = load i64, ptr @r4 |
| %18 = load i64, ptr @r3 |
| %19 = load i64, ptr @r2 |
| %20 = load i64, ptr @r1 |
| %21 = load i64, ptr @hp |
| %22 = load i64, ptr @sp |
| %23 = load i64, ptr @base |
| ; CHECK: brasl %r14, bar |
| tail call ghccc void @bar(i64 %23, i64 %22, i64 %21, i64 %20, i64 %19, i64 %18, i64 %17, i64 %16, i64 %15, i64 %14, i64 %13, i64 %12, |
| float %11, float %10, float %9, float %8, float %7, float %6, |
| double %5, double %4, double %3, double %2, double %1, double %0) nounwind |
| ret void |
| } |
| |
| declare ghccc void @bar(i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, |
| float, float, float, float, float, float, |
| double, double, double, double, double, double) |
