; Test multiple return values (LLVM ABI extension) ; ; RUN: llc < %s -mtriple=s390x-linux-gnu -verify-machineinstrs| FileCheck %s ; RUN: llc < %s -mtriple=s390x-linux-gnu -verify-machineinstrs \ ; RUN: -mattr=soft-float | FileCheck %s --check-prefix=SOFT-FLOAT ; Up to four integer return values fit into GPRs. define { i64, i64, i64, i64 } @f1() { ; CHECK-LABEL: f1: ; CHECK: lghi %r2, 0 ; CHECK: lghi %r3, 1 ; CHECK: lghi %r4, 2 ; CHECK: lghi %r5, 3 ; CHECK: br %r14 ret { i64, i64, i64, i64 } { i64 0, i64 1, i64 2, i64 3 } } ; More than four integer return values use sret. define { i64, i64, i64, i64, i64 } @f2() { ; CHECK-LABEL: f2: ; CHECK: mvghi 32(%r2), 4 ; CHECK: mvghi 24(%r2), 3 ; CHECK: mvghi 16(%r2), 2 ; CHECK: mvghi 8(%r2), 1 ; CHECK: mvghi 0(%r2), 0 ; CHECK: br %r14 ret { i64, i64, i64, i64, i64 } { i64 0, i64 1, i64 2, i64 3, i64 4 } } ; Up to four floating-point return values fit into FPRs. define { double, double, double, double } @f3() { ; CHECK-LABEL: f3: ; CHECK: larl [[TMP:%r[0-5]]], .LCPI ; CHECK: ld %f0, 0([[TMP]]) ; CHECK: larl [[TMP:%r[0-5]]], .LCPI ; CHECK: ld %f2, 0([[TMP]]) ; CHECK: larl [[TMP:%r[0-5]]], .LCPI ; CHECK: ld %f4, 0([[TMP]]) ; CHECK: larl [[TMP:%r[0-5]]], .LCPI ; CHECK: ld %f6, 0([[TMP]]) ; CHECK: br %r14 ; SOFT-FLOAT-LABEL: f3: ; SOFT-FLOAT-NOT: %{{[fv]}} ; SOFT-FLOAT: llihh %r2, 16368 ; SOFT-FLOAT-NEXT: llihh %r3, 16384 ; SOFT-FLOAT-NEXT: llihh %r4, 16392 ; SOFT-FLOAT-NEXT: llihh %r5, 16400 ; SOFT-FLOAT-NEXT: br %r14 ret { double, double, double, double } { double 1.0, double 2.0, double 3.0, double 4.0 } } ; More than four floating-point return values use sret. define { double, double, double, double, double } @f4() { ; CHECK-LABEL: f4: ; CHECK: llihh [[TMP:%r[0-5]]], 16404 ; CHECK: stg [[TMP]], 32(%r2) ; CHECK: llihh [[TMP:%r[0-5]]], 16400 ; CHECK: stg [[TMP]], 24(%r2) ; CHECK: llihh [[TMP:%r[0-5]]], 16392 ; CHECK: stg [[TMP]], 16(%r2) ; CHECK: llihh [[TMP:%r[0-5]]], 16384 ; CHECK: stg [[TMP]], 8(%r2) ; CHECK: llihh [[TMP:%r[0-5]]], 16368 ; CHECK: stg [[TMP]], 0(%r2) ; CHECK: br %r14 ; SOFT-FLOAT-LABEL: f4: ; SOFT-FLOAT-NOT: %{{[fv]}} ; SOFT-FLOAT-NOT: %r2 ; SOFT-FLOAT: llihh %r0, 16404 ; SOFT-FLOAT-NEXT: stg %r0, 32(%r2) ; SOFT-FLOAT-NEXT: llihh %r0, 16400 ; SOFT-FLOAT-NEXT: stg %r0, 24(%r2) ; SOFT-FLOAT-NEXT: llihh %r0, 16392 ; SOFT-FLOAT-NEXT: stg %r0, 16(%r2) ; SOFT-FLOAT-NEXT: llihh %r0, 16384 ; SOFT-FLOAT-NEXT: stg %r0, 8(%r2) ; SOFT-FLOAT-NEXT: llihh %r0, 16368 ; SOFT-FLOAT-NEXT: stg %r0, 0(%r2) ; SOFT-FLOAT-NEXT: br %r14 ret { double, double, double, double, double } { double 1.0, double 2.0, double 3.0, double 4.0, double 5.0 } }