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398e3ba1d1
For LP64 mode, this has no effect as pointers are already 64 bits. For ILP32 mode (x32), this extension is specified by the ABI. Reviewed By: pengfei Differential Revision: https://reviews.llvm.org/D91338
25 lines
861 B
LLVM
25 lines
861 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -O0 -mtriple=x86_64-unknown-linux-gnux32 | FileCheck %s
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target datalayout = "e-m:e-p:32:32-i64:64-f80:128-n8:16:32:64-S128"
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%struct.a = type { i8 }
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define void @_Z1bv(%struct.a* noalias sret(%struct.a) %agg.result) {
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; CHECK-LABEL: _Z1bv:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: # kill: def $edi killed $edi killed $rdi
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
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; CHECK-NEXT: callq _Z1bv
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; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Reload
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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entry:
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call void @_Z1bv(%struct.a* sret(%struct.a) %agg.result)
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ret void
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}
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