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llvm-mirror/test/CodeGen/SystemZ/ghc-cc-01.ll
Ulrich Weigand ec2ceb39a7 [SystemZ] Add GHC calling convention
This is a special calling convention to be used by the GHC compiler.

Author: Stefan Schulze Frielinghaus
Differential Revision: https://reviews.llvm.org/D69024
2019-11-04 13:45:51 +01:00

104 lines
4.2 KiB
LLVM

; Check that the GHC calling convention works (s390x)
;
; RUN: llc -mtriple=s390x-ibm-linux < %s | FileCheck %s
@base = external global i64 ; assigned to register: r7
@sp = external global i64 ; assigned to register: r8
@hp = external global i64 ; assigned to register: r10
@r1 = external global i64 ; assigned to register: r11
@r2 = external global i64 ; assigned to register: r12
@r3 = external global i64 ; assigned to register: r13
@r4 = external global i64 ; assigned to register: r6
@r5 = external global i64 ; assigned to register: r2
@r6 = external global i64 ; assigned to register: r3
@r7 = external global i64 ; assigned to register: r4
@r8 = external global i64 ; assigned to register: r5
@splim = external global i64 ; assigned to register: r9
@f1 = external global float ; assigned to register: s8
@f2 = external global float ; assigned to register: s9
@f3 = external global float ; assigned to register: s10
@f4 = external global float ; assigned to register: s11
@f5 = external global float ; assigned to register: s0
@f6 = external global float ; assigned to register: s1
@d1 = external global double ; assigned to register: d12
@d2 = external global double ; assigned to register: d13
@d3 = external global double ; assigned to register: d14
@d4 = external global double ; assigned to register: d15
@d5 = external global double ; assigned to register: d2
@d6 = external 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, double* @d6
%1 = load double, double* @d5
%2 = load double, double* @d4
%3 = load double, double* @d3
%4 = load double, double* @d2
%5 = load double, double* @d1
%6 = load float, float* @f6
%7 = load float, float* @f5
%8 = load float, float* @f4
%9 = load float, float* @f3
%10 = load float, float* @f2
%11 = load float, float* @f1
%12 = load i64, i64* @splim
%13 = load i64, i64* @r8
%14 = load i64, i64* @r7
%15 = load i64, i64* @r6
%16 = load i64, i64* @r5
%17 = load i64, i64* @r4
%18 = load i64, i64* @r3
%19 = load i64, i64* @r2
%20 = load i64, i64* @r1
%21 = load i64, i64* @hp
%22 = load i64, i64* @sp
%23 = load i64, i64* @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)