a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
29 lines
686 B
LLVM
29 lines
686 B
LLVM
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %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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entry:
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; CHECK-LABEL: fp0:
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; CHECK: la %r2, 0(%r15)
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; CHECK: br %r14
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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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entry:
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; CHECK-LABEL: fp0f:
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; CHECK: aghi %r15, -168
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; CHECK: la %r2, 168(%r15)
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; CHECK: aghi %r15, 168
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; CHECK: br %r14
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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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declare ptr @llvm.frameaddress(i32) nounwind readnone
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