forked from OSchip/llvm-project
76 lines
2.8 KiB
LLVM
76 lines
2.8 KiB
LLVM
; Test the handling of GPR, FPR and stack arguments when integers are
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; sign-extended.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-INT
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-FLOAT
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-DOUBLE
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-FP128-1
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-FP128-2
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-STACK
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declare void @bar(i8 signext, i16 signext, i32 signext, i64, float, double,
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fp128, i64, float, double, i8 signext, i16 signext,
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i32 signext, i64, float, double, fp128)
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; There are two indirect fp128 slots, one at offset 224 (the first available
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; byte after the outgoing arguments) and one immediately after it at 240.
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; These slots should be set up outside the glued call sequence, so would
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; normally use %f0/%f2 as the first available 128-bit pair. This choice
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; is hard-coded in the FP128 tests.
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;
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; The order of the CHECK-STACK stores doesn't matter. It would be OK to reorder
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; them in response to future code changes.
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define void @foo() {
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; CHECK-INT-LABEL: foo:
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; CHECK-INT-DAG: lghi %r2, -1
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; CHECK-INT-DAG: lghi %r3, -2
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; CHECK-INT-DAG: lghi %r4, -3
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; CHECK-INT-DAG: lghi %r5, -4
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; CHECK-INT-DAG: la %r6, {{224|240}}(%r15)
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; CHECK-INT: brasl %r14, bar@PLT
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;
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; CHECK-FLOAT-LABEL: foo:
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; CHECK-FLOAT: lzer %f0
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; CHECK-FLOAT: lcebr %f4, %f0
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; CHECK-FLOAT: brasl %r14, bar@PLT
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;
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; CHECK-DOUBLE-LABEL: foo:
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; CHECK-DOUBLE: lzdr %f2
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; CHECK-DOUBLE: lcdbr %f6, %f2
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; CHECK-DOUBLE: brasl %r14, bar@PLT
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;
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; CHECK-FP128-1-LABEL: foo:
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; CHECK-FP128-1: aghi %r15, -256
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; CHECK-FP128-1: lzxr %f0
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; CHECK-FP128-1-DAG: std %f0, 224(%r15)
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; CHECK-FP128-1-DAG: std %f2, 232(%r15)
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; CHECK-FP128-1: brasl %r14, bar@PLT
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;
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; CHECK-FP128-2-LABEL: foo:
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; CHECK-FP128-2: aghi %r15, -256
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; CHECK-FP128-2: lzxr %f0
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; CHECK-FP128-2-DAG: std %f0, 240(%r15)
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; CHECK-FP128-2-DAG: std %f2, 248(%r15)
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; CHECK-FP128-2: brasl %r14, bar@PLT
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;
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; CHECK-STACK-LABEL: foo:
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; CHECK-STACK: aghi %r15, -256
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; CHECK-STACK: la [[REGISTER:%r[0-5]+]], {{224|240}}(%r15)
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; CHECK-STACK: stg [[REGISTER]], 216(%r15)
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; CHECK-STACK: mvghi 208(%r15), 0
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; CHECK-STACK: mvhi 204(%r15), 0
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; CHECK-STACK: mvghi 192(%r15), -9
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; CHECK-STACK: mvghi 184(%r15), -8
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; CHECK-STACK: mvghi 176(%r15), -7
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; CHECK-STACK: mvghi 168(%r15), -6
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; CHECK-STACK: mvghi 160(%r15), -5
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; CHECK-STACK: brasl %r14, bar@PLT
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call void @bar (i8 -1, i16 -2, i32 -3, i64 -4, float 0.0, double 0.0,
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fp128 0xL00000000000000000000000000000000, i64 -5,
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float -0.0, double -0.0, i8 -6, i16 -7, i32 -8, i64 -9,
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float 0.0, double 0.0,
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fp128 0xL00000000000000000000000000000000)
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ret void
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}
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