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      1 ; Test the handling of GPR, FPR and stack arguments when no extension
      2 ; type is given.  This type of argument is used for passing structures, etc.
      3 ;
      4 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-INT
      5 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-FLOAT
      6 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-DOUBLE
      7 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-FP128-1
      8 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-FP128-2
      9 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-STACK
     10 
     11 declare void @bar(i8, i16, i32, i64, float, double, fp128, i64,
     12                   float, double, i8, i16, i32, i64, float, double, fp128)
     13 
     14 ; There are two indirect fp128 slots, one at offset 224 (the first available
     15 ; byte after the outgoing arguments) and one immediately after it at 240.
     16 ; These slots should be set up outside the glued call sequence, so would
     17 ; normally use %f0/%f2 as the first available 128-bit pair.  This choice
     18 ; is hard-coded in the FP128 tests.
     19 ;
     20 ; The order of the CHECK-STACK stores doesn't matter.  It would be OK to reorder
     21 ; them in response to future code changes.
     22 define void @foo() {
     23 ; CHECK-INT-LABEL: foo:
     24 ; CHECK-INT-DAG: lhi %r2, 1
     25 ; CHECK-INT-DAG: lhi %r3, 2
     26 ; CHECK-INT-DAG: lhi %r4, 3
     27 ; CHECK-INT-DAG: lghi %r5, 4
     28 ; CHECK-INT-DAG: la %r6, {{224|240}}(%r15)
     29 ; CHECK-INT: brasl %r14, bar@PLT
     30 ;
     31 ; CHECK-FLOAT-LABEL: foo:
     32 ; CHECK-FLOAT: lzer %f0
     33 ; CHECK-FLOAT: lcebr %f4, %f0
     34 ; CHECK-FLOAT: brasl %r14, bar@PLT
     35 ;
     36 ; CHECK-DOUBLE-LABEL: foo:
     37 ; CHECK-DOUBLE: lzdr %f2
     38 ; CHECK-DOUBLE: lcdbr %f6, %f2
     39 ; CHECK-DOUBLE: brasl %r14, bar@PLT
     40 ;
     41 ; CHECK-FP128-1-LABEL: foo:
     42 ; CHECK-FP128-1: aghi %r15, -256
     43 ; CHECK-FP128-1: lzxr %f0
     44 ; CHECK-FP128-1-DAG: std %f0, 224(%r15)
     45 ; CHECK-FP128-1-DAG: std %f2, 232(%r15)
     46 ; CHECK-FP128-1: brasl %r14, bar@PLT
     47 ;
     48 ; CHECK-FP128-2-LABEL: foo:
     49 ; CHECK-FP128-2: aghi %r15, -256
     50 ; CHECK-FP128-2: lzxr %f0
     51 ; CHECK-FP128-2-DAG: std %f0, 240(%r15)
     52 ; CHECK-FP128-2-DAG: std %f2, 248(%r15)
     53 ; CHECK-FP128-2: brasl %r14, bar@PLT
     54 ;
     55 ; CHECK-STACK-LABEL: foo:
     56 ; CHECK-STACK: aghi %r15, -256
     57 ; CHECK-STACK: la [[REGISTER:%r[0-5]+]], {{224|240}}(%r15)
     58 ; CHECK-STACK: stg [[REGISTER]], 216(%r15)
     59 ; CHECK-STACK: mvghi 208(%r15), 0
     60 ; CHECK-STACK: mvhi 204(%r15), 0
     61 ; CHECK-STACK: mvghi 192(%r15), 9
     62 ; CHECK-STACK: mvhi 188(%r15), 8
     63 ; CHECK-STACK: mvhi 180(%r15), 7
     64 ; CHECK-STACK: mvhi 172(%r15), 6
     65 ; CHECK-STACK: mvghi 160(%r15), 5
     66 ; CHECK-STACK: brasl %r14, bar@PLT
     67 
     68   call void @bar (i8 1, i16 2, i32 3, i64 4, float 0.0, double 0.0,
     69                   fp128 0xL00000000000000000000000000000000, i64 5,
     70                   float -0.0, double -0.0, i8 6, i16 7, i32 8, i64 9, float 0.0,
     71                   double 0.0, fp128 0xL00000000000000000000000000000000)
     72   ret void
     73 }
     74