648bd564d0
This PR migrates all but two test cases to use HLASM syntax. It also flips the default for the command line option, making HLASM output the default. The missing test cases requires some more support in the HLASM streamer, which I will add separately.
57 lines
1.5 KiB
LLVM
57 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
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; RUN: llc < %s -mtriple=s390x-ibm-zos | FileCheck --check-prefix=CHECK %s
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; The current function's frame address is the address of
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; the optional back chain slot.
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define ptr @fp0() nounwind {
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; CHECK-LABEL: fp0 DS 0H
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; CHECK: la 3,2048(4)
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; CHECK-NEXT: b 2(7)
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entry:
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%0 = tail call ptr @llvm.frameaddress(i32 0)
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ret ptr %0
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}
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; Check that the frame address is correct in a presence
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; of a stack frame.
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define ptr @fp0f() nounwind {
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; CHECK-LABEL: fp0f DS 0H
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; CHECK: stmg 6,7,1904(4)
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; CHECK-NEXT: aghi 4,-160
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; CHECK-NEXT: la 3,2048(4)
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; CHECK-NEXT: lg 7,2072(4)
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; CHECK-NEXT: aghi 4,160
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; CHECK-NEXT: b 2(7)
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entry:
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%0 = alloca i64, align 8
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%1 = tail call ptr @llvm.frameaddress(i32 0)
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ret ptr %1
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}
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; Check the caller's frame address.
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define ptr @fpcaller() nounwind "backchain" {
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; CHECK-LABEL: fpcaller DS 0H
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; CHECK: stmg 4,7,2048(4)
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; CHECK-NEXT: lg 3,2048(4)
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; CHECK-NEXT: lmg 4,7,2048(4)
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; CHECK-NEXT: b 2(7)
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entry:
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%0 = tail call ptr @llvm.frameaddress(i32 1)
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ret ptr %0
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}
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; Check the caller's frame address.
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define ptr @fpcallercaller() nounwind "backchain" {
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; CHECK-LABEL: fpcallercaller DS 0H
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; CHECK: stmg 4,7,2048(4)
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; CHECK-NEXT: lg 1,2048(4)
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; CHECK-NEXT: lg 3,0(1)
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; CHECK-NEXT: lmg 4,7,2048(4)
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; CHECK-NEXT: b 2(7)
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entry:
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%0 = tail call ptr @llvm.frameaddress(i32 2)
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ret ptr %0
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}
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declare ptr @llvm.frameaddress(i32) nounwind readnone
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