llvm-project/llvm/test/CodeGen/X86/win64_frame.ll

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s --check-prefix=ALL --check-prefix=PUSHF
; RUN: llc < %s -mtriple=x86_64-pc-win32 -mattr=+sahf | FileCheck %s --check-prefix=ALL --check-prefix=SAHF
define i32 @f1(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5) "no-frame-pointer-elim"="true" {
; ALL-LABEL: f1:
; ALL: # %bb.0:
; ALL-NEXT: pushq %rbp
; ALL-NEXT: .seh_pushreg 5
; ALL-NEXT: movq %rsp, %rbp
; ALL-NEXT: .seh_setframe 5, 0
; ALL-NEXT: .seh_endprologue
; ALL-NEXT: movl 48(%rbp), %eax
; ALL-NEXT: popq %rbp
; ALL-NEXT: retq
; ALL-NEXT: .seh_handlerdata
; ALL-NEXT: .text
; ALL-NEXT: .seh_endproc
ret i32 %p5
}
define void @f2(i32 %p, ...) "no-frame-pointer-elim"="true" {
; ALL-LABEL: f2:
; ALL: # %bb.0:
; ALL-NEXT: pushq %rbp
; ALL-NEXT: .seh_pushreg 5
; ALL-NEXT: pushq %rax
; ALL-NEXT: .seh_stackalloc 8
; ALL-NEXT: movq %rsp, %rbp
; ALL-NEXT: .seh_setframe 5, 0
; ALL-NEXT: .seh_endprologue
; ALL-NEXT: movq %r9, 48(%rbp)
; ALL-NEXT: movq %r8, 40(%rbp)
; ALL-NEXT: movq %rdx, 32(%rbp)
; ALL-NEXT: leaq 32(%rbp), %rax
; ALL-NEXT: movq %rax, (%rbp)
; ALL-NEXT: addq $8, %rsp
; ALL-NEXT: popq %rbp
; ALL-NEXT: retq
; ALL-NEXT: .seh_handlerdata
; ALL-NEXT: .text
; ALL-NEXT: .seh_endproc
%ap = alloca i8, align 8
call void @llvm.va_start(i8* %ap)
ret void
}
define i8* @f3() "no-frame-pointer-elim"="true" {
; ALL-LABEL: f3:
; ALL: # %bb.0:
; ALL-NEXT: pushq %rbp
; ALL-NEXT: .seh_pushreg 5
; ALL-NEXT: movq %rsp, %rbp
; ALL-NEXT: .seh_setframe 5, 0
; ALL-NEXT: .seh_endprologue
; ALL-NEXT: movq 8(%rbp), %rax
; ALL-NEXT: popq %rbp
; ALL-NEXT: retq
; ALL-NEXT: .seh_handlerdata
; ALL-NEXT: .text
; ALL-NEXT: .seh_endproc
%ra = call i8* @llvm.returnaddress(i32 0)
ret i8* %ra
}
define i8* @f4() "no-frame-pointer-elim"="true" {
; ALL-LABEL: f4:
; ALL: # %bb.0:
; ALL-NEXT: pushq %rbp
; ALL-NEXT: .seh_pushreg 5
; ALL-NEXT: subq $304, %rsp # imm = 0x130
; ALL-NEXT: .seh_stackalloc 304
; ALL-NEXT: leaq {{[0-9]+}}(%rsp), %rbp
; ALL-NEXT: .seh_setframe 5, 128
; ALL-NEXT: .seh_endprologue
; ALL-NEXT: movq 184(%rbp), %rax
; ALL-NEXT: addq $304, %rsp # imm = 0x130
; ALL-NEXT: popq %rbp
; ALL-NEXT: retq
; ALL-NEXT: .seh_handlerdata
; ALL-NEXT: .text
; ALL-NEXT: .seh_endproc
alloca [300 x i8]
%ra = call i8* @llvm.returnaddress(i32 0)
ret i8* %ra
}
declare void @external(i8*)
define void @f5() "no-frame-pointer-elim"="true" {
; ALL-LABEL: f5:
; ALL: # %bb.0:
; ALL-NEXT: pushq %rbp
; ALL-NEXT: .seh_pushreg 5
; ALL-NEXT: subq $336, %rsp # imm = 0x150
; ALL-NEXT: .seh_stackalloc 336
; ALL-NEXT: leaq {{[0-9]+}}(%rsp), %rbp
; ALL-NEXT: .seh_setframe 5, 128
; ALL-NEXT: .seh_endprologue
; ALL-NEXT: leaq -92(%rbp), %rcx
; ALL-NEXT: callq external
; ALL-NEXT: nop
; ALL-NEXT: addq $336, %rsp # imm = 0x150
; ALL-NEXT: popq %rbp
; ALL-NEXT: retq
; ALL-NEXT: .seh_handlerdata
; ALL-NEXT: .text
; ALL-NEXT: .seh_endproc
%a = alloca [300 x i8]
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction One of several parallel first steps to remove the target type of pointers, replacing them with a single opaque pointer type. This adds an explicit type parameter to the gep instruction so that when the first parameter becomes an opaque pointer type, the type to gep through is still available to the instructions. * This doesn't modify gep operators, only instructions (operators will be handled separately) * Textual IR changes only. Bitcode (including upgrade) and changing the in-memory representation will be in separate changes. * geps of vectors are transformed as: getelementptr <4 x float*> %x, ... ->getelementptr float, <4 x float*> %x, ... Then, once the opaque pointer type is introduced, this will ultimately look like: getelementptr float, <4 x ptr> %x with the unambiguous interpretation that it is a vector of pointers to float. * address spaces remain on the pointer, not the type: getelementptr float addrspace(1)* %x ->getelementptr float, float addrspace(1)* %x Then, eventually: getelementptr float, ptr addrspace(1) %x Importantly, the massive amount of test case churn has been automated by same crappy python code. I had to manually update a few test cases that wouldn't fit the script's model (r228970,r229196,r229197,r229198). The python script just massages stdin and writes the result to stdout, I then wrapped that in a shell script to handle replacing files, then using the usual find+xargs to migrate all the files. update.py: import fileinput import sys import re ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))") normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))") def conv(match, line): if not match: return line line = match.groups()[0] if len(match.groups()[5]) == 0: line += match.groups()[2] line += match.groups()[3] line += ", " line += match.groups()[1] line += "\n" return line for line in sys.stdin: if line.find("getelementptr ") == line.find("getelementptr inbounds"): if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("): line = conv(re.match(ibrep, line), line) elif line.find("getelementptr ") != line.find("getelementptr ("): line = conv(re.match(normrep, line), line) sys.stdout.write(line) apply.sh: for name in "$@" do python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name" rm -f "$name.tmp" done The actual commands: From llvm/src: find test/ -name *.ll | xargs ./apply.sh From llvm/src/tools/clang: find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}" From llvm/src/tools/polly: find test/ -name *.ll | xargs ./apply.sh After that, check-all (with llvm, clang, clang-tools-extra, lld, compiler-rt, and polly all checked out). The extra 'rm' in the apply.sh script is due to a few files in clang's test suite using interesting unicode stuff that my python script was throwing exceptions on. None of those files needed to be migrated, so it seemed sufficient to ignore those cases. Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7636 llvm-svn: 230786
2015-02-28 03:29:02 +08:00
%gep = getelementptr [300 x i8], [300 x i8]* %a, i32 0, i32 0
call void @external(i8* %gep)
ret void
}
define void @f6(i32 %p, ...) "no-frame-pointer-elim"="true" {
; ALL-LABEL: f6:
; ALL: # %bb.0:
; ALL-NEXT: pushq %rbp
; ALL-NEXT: .seh_pushreg 5
; ALL-NEXT: subq $336, %rsp # imm = 0x150
; ALL-NEXT: .seh_stackalloc 336
; ALL-NEXT: leaq {{[0-9]+}}(%rsp), %rbp
; ALL-NEXT: .seh_setframe 5, 128
; ALL-NEXT: .seh_endprologue
; ALL-NEXT: leaq -92(%rbp), %rcx
; ALL-NEXT: callq external
; ALL-NEXT: nop
; ALL-NEXT: addq $336, %rsp # imm = 0x150
; ALL-NEXT: popq %rbp
; ALL-NEXT: retq
; ALL-NEXT: .seh_handlerdata
; ALL-NEXT: .text
; ALL-NEXT: .seh_endproc
%a = alloca [300 x i8]
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction One of several parallel first steps to remove the target type of pointers, replacing them with a single opaque pointer type. This adds an explicit type parameter to the gep instruction so that when the first parameter becomes an opaque pointer type, the type to gep through is still available to the instructions. * This doesn't modify gep operators, only instructions (operators will be handled separately) * Textual IR changes only. Bitcode (including upgrade) and changing the in-memory representation will be in separate changes. * geps of vectors are transformed as: getelementptr <4 x float*> %x, ... ->getelementptr float, <4 x float*> %x, ... Then, once the opaque pointer type is introduced, this will ultimately look like: getelementptr float, <4 x ptr> %x with the unambiguous interpretation that it is a vector of pointers to float. * address spaces remain on the pointer, not the type: getelementptr float addrspace(1)* %x ->getelementptr float, float addrspace(1)* %x Then, eventually: getelementptr float, ptr addrspace(1) %x Importantly, the massive amount of test case churn has been automated by same crappy python code. I had to manually update a few test cases that wouldn't fit the script's model (r228970,r229196,r229197,r229198). The python script just massages stdin and writes the result to stdout, I then wrapped that in a shell script to handle replacing files, then using the usual find+xargs to migrate all the files. update.py: import fileinput import sys import re ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))") normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))") def conv(match, line): if not match: return line line = match.groups()[0] if len(match.groups()[5]) == 0: line += match.groups()[2] line += match.groups()[3] line += ", " line += match.groups()[1] line += "\n" return line for line in sys.stdin: if line.find("getelementptr ") == line.find("getelementptr inbounds"): if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("): line = conv(re.match(ibrep, line), line) elif line.find("getelementptr ") != line.find("getelementptr ("): line = conv(re.match(normrep, line), line) sys.stdout.write(line) apply.sh: for name in "$@" do python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name" rm -f "$name.tmp" done The actual commands: From llvm/src: find test/ -name *.ll | xargs ./apply.sh From llvm/src/tools/clang: find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}" From llvm/src/tools/polly: find test/ -name *.ll | xargs ./apply.sh After that, check-all (with llvm, clang, clang-tools-extra, lld, compiler-rt, and polly all checked out). The extra 'rm' in the apply.sh script is due to a few files in clang's test suite using interesting unicode stuff that my python script was throwing exceptions on. None of those files needed to be migrated, so it seemed sufficient to ignore those cases. Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7636 llvm-svn: 230786
2015-02-28 03:29:02 +08:00
%gep = getelementptr [300 x i8], [300 x i8]* %a, i32 0, i32 0
call void @external(i8* %gep)
ret void
}
define i32 @f7(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e) "no-frame-pointer-elim"="true" {
; ALL-LABEL: f7:
; ALL: # %bb.0:
; ALL-NEXT: pushq %rbp
; ALL-NEXT: .seh_pushreg 5
; ALL-NEXT: subq $304, %rsp # imm = 0x130
; ALL-NEXT: .seh_stackalloc 304
; ALL-NEXT: leaq {{[0-9]+}}(%rsp), %rbp
; ALL-NEXT: .seh_setframe 5, 128
; ALL-NEXT: .seh_endprologue
; ALL-NEXT: andq $-64, %rsp
; ALL-NEXT: movl 224(%rbp), %eax
; ALL-NEXT: leaq 176(%rbp), %rsp
; ALL-NEXT: popq %rbp
; ALL-NEXT: retq
; ALL-NEXT: .seh_handlerdata
; ALL-NEXT: .text
; ALL-NEXT: .seh_endproc
alloca [300 x i8], align 64
ret i32 %e
}
define i32 @f8(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e) "no-frame-pointer-elim"="true" {
; ALL-LABEL: f8:
; ALL: # %bb.0:
; ALL-NEXT: pushq %rbp
; ALL-NEXT: .seh_pushreg 5
; ALL-NEXT: pushq %rsi
; ALL-NEXT: .seh_pushreg 6
; ALL-NEXT: pushq %rbx
; ALL-NEXT: .seh_pushreg 3
; ALL-NEXT: subq $352, %rsp # imm = 0x160
; ALL-NEXT: .seh_stackalloc 352
; ALL-NEXT: leaq {{[0-9]+}}(%rsp), %rbp
; ALL-NEXT: .seh_setframe 5, 128
; ALL-NEXT: .seh_endprologue
; ALL-NEXT: andq $-64, %rsp
; ALL-NEXT: movq %rsp, %rbx
; ALL-NEXT: movl 288(%rbp), %esi
; ALL-NEXT: movl %ecx, %eax
; ALL-NEXT: leaq 15(,%rax,4), %rax
; ALL-NEXT: andq $-16, %rax
; ALL-NEXT: callq __chkstk
; ALL-NEXT: subq %rax, %rsp
; ALL-NEXT: subq $32, %rsp
; ALL-NEXT: movq %rbx, %rcx
; ALL-NEXT: callq external
; ALL-NEXT: addq $32, %rsp
; ALL-NEXT: movl %esi, %eax
; ALL-NEXT: leaq 224(%rbp), %rsp
; ALL-NEXT: popq %rbx
; ALL-NEXT: popq %rsi
; ALL-NEXT: popq %rbp
; ALL-NEXT: retq
; ALL-NEXT: .seh_handlerdata
; ALL-NEXT: .text
; ALL-NEXT: .seh_endproc
%alloca = alloca [300 x i8], align 64
alloca i32, i32 %a
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction One of several parallel first steps to remove the target type of pointers, replacing them with a single opaque pointer type. This adds an explicit type parameter to the gep instruction so that when the first parameter becomes an opaque pointer type, the type to gep through is still available to the instructions. * This doesn't modify gep operators, only instructions (operators will be handled separately) * Textual IR changes only. Bitcode (including upgrade) and changing the in-memory representation will be in separate changes. * geps of vectors are transformed as: getelementptr <4 x float*> %x, ... ->getelementptr float, <4 x float*> %x, ... Then, once the opaque pointer type is introduced, this will ultimately look like: getelementptr float, <4 x ptr> %x with the unambiguous interpretation that it is a vector of pointers to float. * address spaces remain on the pointer, not the type: getelementptr float addrspace(1)* %x ->getelementptr float, float addrspace(1)* %x Then, eventually: getelementptr float, ptr addrspace(1) %x Importantly, the massive amount of test case churn has been automated by same crappy python code. I had to manually update a few test cases that wouldn't fit the script's model (r228970,r229196,r229197,r229198). The python script just massages stdin and writes the result to stdout, I then wrapped that in a shell script to handle replacing files, then using the usual find+xargs to migrate all the files. update.py: import fileinput import sys import re ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))") normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))") def conv(match, line): if not match: return line line = match.groups()[0] if len(match.groups()[5]) == 0: line += match.groups()[2] line += match.groups()[3] line += ", " line += match.groups()[1] line += "\n" return line for line in sys.stdin: if line.find("getelementptr ") == line.find("getelementptr inbounds"): if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("): line = conv(re.match(ibrep, line), line) elif line.find("getelementptr ") != line.find("getelementptr ("): line = conv(re.match(normrep, line), line) sys.stdout.write(line) apply.sh: for name in "$@" do python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name" rm -f "$name.tmp" done The actual commands: From llvm/src: find test/ -name *.ll | xargs ./apply.sh From llvm/src/tools/clang: find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}" From llvm/src/tools/polly: find test/ -name *.ll | xargs ./apply.sh After that, check-all (with llvm, clang, clang-tools-extra, lld, compiler-rt, and polly all checked out). The extra 'rm' in the apply.sh script is due to a few files in clang's test suite using interesting unicode stuff that my python script was throwing exceptions on. None of those files needed to be migrated, so it seemed sufficient to ignore those cases. Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7636 llvm-svn: 230786
2015-02-28 03:29:02 +08:00
%gep = getelementptr [300 x i8], [300 x i8]* %alloca, i32 0, i32 0
call void @external(i8* %gep)
ret i32 %e
}
define i64 @f9() {
; ALL-LABEL: f9:
; ALL: # %bb.0: # %entry
; ALL-NEXT: pushq %rbp
; ALL-NEXT: .seh_pushreg 5
; ALL-NEXT: movq %rsp, %rbp
; ALL-NEXT: .seh_setframe 5, 0
; ALL-NEXT: .seh_endprologue
; ALL-NEXT: pushfq
; ALL-NEXT: popq %rax
; ALL-NEXT: popq %rbp
; ALL-NEXT: retq
; ALL-NEXT: .seh_handlerdata
; ALL-NEXT: .text
; ALL-NEXT: .seh_endproc
entry:
%call = call i64 @llvm.x86.flags.read.u64()
ret i64 %call
}
declare i64 @dummy()
define i64 @f10(i64* %foo, i64 %bar, i64 %baz) {
; PUSHF-LABEL: f10:
; PUSHF: # %bb.0:
; PUSHF-NEXT: pushq %rbp
; PUSHF-NEXT: .seh_pushreg 5
; PUSHF-NEXT: pushq %rsi
; PUSHF-NEXT: .seh_pushreg 6
; PUSHF-NEXT: pushq %rdi
; PUSHF-NEXT: .seh_pushreg 7
; PUSHF-NEXT: subq $32, %rsp
; PUSHF-NEXT: .seh_stackalloc 32
; PUSHF-NEXT: leaq {{[0-9]+}}(%rsp), %rbp
; PUSHF-NEXT: .seh_setframe 5, 32
; PUSHF-NEXT: .seh_endprologue
; PUSHF-NEXT: movq %rdx, %rsi
; PUSHF-NEXT: movq %rdx, %rax
; PUSHF-NEXT: lock cmpxchgq %r8, (%rcx)
; PUSHF-NEXT: pushfq
; PUSHF-NEXT: popq %rdi
; PUSHF-NEXT: callq dummy
; PUSHF-NEXT: pushq %rdi
; PUSHF-NEXT: popfq
; PUSHF-NEXT: cmovneq %rsi, %rax
; PUSHF-NEXT: addq $32, %rsp
; PUSHF-NEXT: popq %rdi
; PUSHF-NEXT: popq %rsi
; PUSHF-NEXT: popq %rbp
; PUSHF-NEXT: retq
; PUSHF-NEXT: .seh_handlerdata
; PUSHF-NEXT: .text
; PUSHF-NEXT: .seh_endproc
;
; SAHF-LABEL: f10:
; SAHF: # %bb.0:
; SAHF-NEXT: pushq %rbp
; SAHF-NEXT: .seh_pushreg 5
; SAHF-NEXT: pushq %rsi
; SAHF-NEXT: .seh_pushreg 6
; SAHF-NEXT: pushq %rdi
; SAHF-NEXT: .seh_pushreg 7
; SAHF-NEXT: subq $32, %rsp
; SAHF-NEXT: .seh_stackalloc 32
; SAHF-NEXT: leaq {{[0-9]+}}(%rsp), %rbp
; SAHF-NEXT: .seh_setframe 5, 32
; SAHF-NEXT: .seh_endprologue
; SAHF-NEXT: movq %rdx, %rsi
; SAHF-NEXT: movq %rdx, %rax
; SAHF-NEXT: lock cmpxchgq %r8, (%rcx)
; SAHF-NEXT: seto %al
; SAHF-NEXT: lahf
; SAHF-NEXT: movq %rax, %rdi
; SAHF-NEXT: callq dummy
; SAHF-NEXT: pushq %rax
; SAHF-NEXT: movq %rdi, %rax
; SAHF-NEXT: addb $127, %al
; SAHF-NEXT: sahf
; SAHF-NEXT: popq %rax
; SAHF-NEXT: cmovneq %rsi, %rax
; SAHF-NEXT: addq $32, %rsp
; SAHF-NEXT: popq %rdi
; SAHF-NEXT: popq %rsi
; SAHF-NEXT: popq %rbp
; SAHF-NEXT: retq
; SAHF-NEXT: .seh_handlerdata
; SAHF-NEXT: .text
; SAHF-NEXT: .seh_endproc
%cx = cmpxchg i64* %foo, i64 %bar, i64 %baz seq_cst seq_cst
%v = extractvalue { i64, i1 } %cx, 0
%p = extractvalue { i64, i1 } %cx, 1
%call = call i64 @dummy()
%sel = select i1 %p, i64 %call, i64 %bar
ret i64 %sel
}
define i8* @f11() "no-frame-pointer-elim"="true" {
; ALL-LABEL: f11:
; ALL: # %bb.0:
; ALL-NEXT: pushq %rbp
; ALL-NEXT: .seh_pushreg 5
; ALL-NEXT: movq %rsp, %rbp
; ALL-NEXT: .seh_setframe 5, 0
; ALL-NEXT: .seh_endprologue
; ALL-NEXT: leaq 8(%rbp), %rax
; ALL-NEXT: popq %rbp
; ALL-NEXT: retq
; ALL-NEXT: .seh_handlerdata
; ALL-NEXT: .text
; ALL-NEXT: .seh_endproc
%aora = call i8* @llvm.addressofreturnaddress()
ret i8* %aora
}
define i8* @f12() {
; ALL-LABEL: f12:
; ALL: # %bb.0:
; ALL-NEXT: movq %rsp, %rax
; ALL-NEXT: retq
%aora = call i8* @llvm.addressofreturnaddress()
ret i8* %aora
}
declare i8* @llvm.returnaddress(i32) nounwind readnone
declare i8* @llvm.addressofreturnaddress() nounwind readnone
declare i64 @llvm.x86.flags.read.u64()
declare void @llvm.va_start(i8*) nounwind