219 lines
9.6 KiB
LLVM
219 lines
9.6 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -verify-machineinstrs -mtriple x86_64-linux < %s | FileCheck %s
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; RUN: llc -verify-machineinstrs -mtriple x86_64-windows < %s | FileCheck %s --check-prefix=WIN64
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declare i64 @llvm.x86.flags.read.u64()
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declare void @llvm.x86.flags.write.u64(i64)
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define i64 @read_flags() {
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; CHECK-LABEL: read_flags:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: pushfq
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: retq
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;
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; WIN64-LABEL: read_flags:
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; WIN64: # %bb.0: # %entry
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; WIN64-NEXT: pushq %rbp
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; WIN64-NEXT: .seh_pushreg %rbp
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; WIN64-NEXT: movq %rsp, %rbp
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; WIN64-NEXT: .seh_setframe %rbp, 0
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; WIN64-NEXT: .seh_endprologue
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; WIN64-NEXT: pushfq
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; WIN64-NEXT: popq %rax
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; WIN64-NEXT: popq %rbp
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; WIN64-NEXT: retq
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; WIN64-NEXT: .seh_endproc
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entry:
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%flags = call i64 @llvm.x86.flags.read.u64()
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ret i64 %flags
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}
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define void @write_flags(i64 %arg) {
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; CHECK-LABEL: write_flags:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: pushq %rdi
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; CHECK-NEXT: popfq
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; CHECK-NEXT: retq
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;
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; WIN64-LABEL: write_flags:
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; WIN64: # %bb.0: # %entry
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; WIN64-NEXT: pushq %rbp
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; WIN64-NEXT: .seh_pushreg %rbp
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; WIN64-NEXT: movq %rsp, %rbp
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; WIN64-NEXT: .seh_setframe %rbp, 0
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; WIN64-NEXT: .seh_endprologue
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; WIN64-NEXT: pushq %rcx
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; WIN64-NEXT: popfq
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; WIN64-NEXT: popq %rbp
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; WIN64-NEXT: retq
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; WIN64-NEXT: .seh_endproc
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entry:
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call void @llvm.x86.flags.write.u64(i64 %arg)
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ret void
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}
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define i64 @read_flags_reg_pressure() nounwind {
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; CHECK-LABEL: read_flags_reg_pressure:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rbp
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; CHECK-NEXT: pushq %r15
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; CHECK-NEXT: pushq %r14
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; CHECK-NEXT: pushq %r13
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; CHECK-NEXT: pushq %r12
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: subq $16, %rsp
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; CHECK-NEXT: #APP
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; CHECK-NEXT: #NO_APP
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; CHECK-NEXT: movq %rdx, (%rsp) # 8-byte Spill
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; CHECK-NEXT: pushfq
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; CHECK-NEXT: popq %rdx
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; CHECK-NEXT: movq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; CHECK-NEXT: movq (%rsp), %rdx # 8-byte Reload
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; CHECK-NEXT: #APP
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; CHECK-NEXT: #NO_APP
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; CHECK-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
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; CHECK-NEXT: addq $16, %rsp
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: popq %r12
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; CHECK-NEXT: popq %r13
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; CHECK-NEXT: popq %r14
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; CHECK-NEXT: popq %r15
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; CHECK-NEXT: popq %rbp
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; CHECK-NEXT: retq
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;
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; WIN64-LABEL: read_flags_reg_pressure:
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; WIN64: # %bb.0:
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; WIN64-NEXT: pushq %rbp
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; WIN64-NEXT: pushq %r15
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; WIN64-NEXT: pushq %r14
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; WIN64-NEXT: pushq %r13
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; WIN64-NEXT: pushq %r12
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; WIN64-NEXT: pushq %rsi
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; WIN64-NEXT: pushq %rdi
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; WIN64-NEXT: pushq %rbx
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; WIN64-NEXT: subq $16, %rsp
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; WIN64-NEXT: leaq {{[0-9]+}}(%rsp), %rbp
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; WIN64-NEXT: #APP
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; WIN64-NEXT: #NO_APP
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; WIN64-NEXT: movq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; WIN64-NEXT: pushfq
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; WIN64-NEXT: popq %rdx
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; WIN64-NEXT: movq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; WIN64-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Reload
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; WIN64-NEXT: #APP
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; WIN64-NEXT: #NO_APP
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; WIN64-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
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; WIN64-NEXT: addq $16, %rsp
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; WIN64-NEXT: popq %rbx
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; WIN64-NEXT: popq %rdi
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; WIN64-NEXT: popq %rsi
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; WIN64-NEXT: popq %r12
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; WIN64-NEXT: popq %r13
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; WIN64-NEXT: popq %r14
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; WIN64-NEXT: popq %r15
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; WIN64-NEXT: popq %rbp
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; WIN64-NEXT: retq
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%1 = tail call { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } asm sideeffect "", "={ax},={bx},={cx},={dx},={si},={di},={bp},={r8},={r9},={r10},={r11},={r12},={r13},={r14},={r15},~{dirflag},~{fpsr},~{flags}"()
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%2 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 0
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%3 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 1
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%4 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 2
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%5 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 3
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%6 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 4
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%7 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 5
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%8 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 6
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%9 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 7
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%10 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 8
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%11 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 9
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%12 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 10
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%13 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 11
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%14 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 12
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%15 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 13
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%16 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %1, 14
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%17 = tail call i64 @llvm.x86.flags.read.u64()
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tail call void asm sideeffect "", "{ax},{bx},{cx},{dx},{si},{di},{bp},{r8},{r9},{r10},{r11},{r12},{r13},{r14},{r15},~{dirflag},~{fpsr},~{flags}"(i64 %2, i64 %3, i64 %4, i64 %5, i64 %6, i64 %7, i64 %8, i64 %9, i64 %10, i64 %11, i64 %12, i64 %13, i64 %14, i64 %15, i64 %16)
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ret i64 %17
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}
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define void @write_flags_reg_pressure(i64 noundef %0) nounwind {
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; CHECK-LABEL: write_flags_reg_pressure:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rbp
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; CHECK-NEXT: pushq %r15
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; CHECK-NEXT: pushq %r14
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; CHECK-NEXT: pushq %r13
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; CHECK-NEXT: pushq %r12
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: subq $16, %rsp
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; CHECK-NEXT: movq %rdi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; CHECK-NEXT: #APP
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; CHECK-NEXT: #NO_APP
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; CHECK-NEXT: movq %rdx, (%rsp) # 8-byte Spill
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; CHECK-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Reload
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; CHECK-NEXT: pushq %rdx
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; CHECK-NEXT: popfq
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; CHECK-NEXT: movq (%rsp), %rdx # 8-byte Reload
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; CHECK-NEXT: #APP
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; CHECK-NEXT: #NO_APP
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; CHECK-NEXT: addq $16, %rsp
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: popq %r12
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; CHECK-NEXT: popq %r13
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; CHECK-NEXT: popq %r14
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; CHECK-NEXT: popq %r15
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; CHECK-NEXT: popq %rbp
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; CHECK-NEXT: retq
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;
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; WIN64-LABEL: write_flags_reg_pressure:
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; WIN64: # %bb.0:
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; WIN64-NEXT: pushq %rbp
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; WIN64-NEXT: pushq %r15
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; WIN64-NEXT: pushq %r14
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; WIN64-NEXT: pushq %r13
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; WIN64-NEXT: pushq %r12
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; WIN64-NEXT: pushq %rsi
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; WIN64-NEXT: pushq %rdi
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; WIN64-NEXT: pushq %rbx
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; WIN64-NEXT: subq $16, %rsp
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; WIN64-NEXT: leaq {{[0-9]+}}(%rsp), %rbp
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; WIN64-NEXT: movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; WIN64-NEXT: #APP
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; WIN64-NEXT: #NO_APP
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; WIN64-NEXT: movq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; WIN64-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Reload
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; WIN64-NEXT: pushq %rdx
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; WIN64-NEXT: popfq
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; WIN64-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Reload
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; WIN64-NEXT: #APP
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; WIN64-NEXT: #NO_APP
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; WIN64-NEXT: addq $16, %rsp
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; WIN64-NEXT: popq %rbx
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; WIN64-NEXT: popq %rdi
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; WIN64-NEXT: popq %rsi
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; WIN64-NEXT: popq %r12
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; WIN64-NEXT: popq %r13
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; WIN64-NEXT: popq %r14
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; WIN64-NEXT: popq %r15
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; WIN64-NEXT: popq %rbp
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; WIN64-NEXT: retq
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%2 = tail call { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } asm sideeffect "", "={ax},={bx},={cx},={dx},={si},={di},={bp},={r8},={r9},={r10},={r11},={r12},={r13},={r14},={r15},~{dirflag},~{fpsr},~{flags}"()
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%3 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 0
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%4 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 1
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%5 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 2
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%6 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 3
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%7 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 4
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%8 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 5
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%9 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 6
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%10 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 7
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%11 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 8
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%12 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 9
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%13 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 10
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%14 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 11
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%15 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 12
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%16 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 13
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%17 = extractvalue { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 } %2, 14
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tail call void @llvm.x86.flags.write.u64(i64 %0)
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tail call void asm sideeffect "", "{ax},{bx},{cx},{dx},{si},{di},{bp},{r8},{r9},{r10},{r11},{r12},{r13},{r14},{r15},~{dirflag},~{fpsr},~{flags}"(i64 %3, i64 %4, i64 %5, i64 %6, i64 %7, i64 %8, i64 %9, i64 %10, i64 %11, i64 %12, i64 %13, i64 %14, i64 %15, i64 %16, i64 %17)
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ret void
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}
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