BuildMI(MBB, I, DL, TII.get(X86::PUSH32i8)).addImm(Imm);
MIB->setDesc(TII.get(X86::POP32r));
}
+ MIB->RemoveOperand(1);
+ MIB->addImplicitDefUseOperands(*MBB.getParent());
// Build CFI if necessary.
MachineFunction &MF = *MBB.getParent();
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+cmov %s -o - | FileCheck %s --check-prefix=CHECK64
; RUN: llc -mtriple=x86_64-pc-win32 -mattr=+cmov %s -o - | FileCheck %s --check-prefix=CHECKWIN64
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+cmov %s -o /dev/null \
+; RUN: -print-after postrapseudos -filter-print-funcs pr26023 2>&1 \
+; RUN: | FileCheck %s --check-prefix=OPERAND32
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+cmov %s -o /dev/null \
+; RUN: -print-after postrapseudos -filter-print-funcs one64_minsize 2>&1 \
+; RUN: | FileCheck %s --check-prefix=OPERAND64
+
define i32 @one32_nooptsize() {
entry:
ret i32 1
; CHECK32: pushl $5
; CHECK32: popl %ecx
; CHECK32: retl
+
+; Check push/pop have implicit def/use of $esp
+; OPERAND32: PUSH32i8 5, implicit-def $esp, implicit $esp
+; OPERAND32-NEXT: CFI_INSTRUCTION adjust_cfa_offset 4
+; OPERAND32-NEXT: renamable $ecx = POP32r implicit-def $esp, implicit $esp
+; OPERAND32-NEXT: CFI_INSTRUCTION adjust_cfa_offset -4
}
; CHECKWIN64-LABEL: one64_minsize:
; CHECKWIN64: movl $1, %eax
; CHECKWIN64-NEXT: retq
+
+; Check push/pop have implicit def/use of $rsp
+; OPERAND64: PUSH64i8 1, implicit-def $rsp, implicit $rsp
+; OPERAND64-NEXT: CFI_INSTRUCTION adjust_cfa_offset 8
+; OPERAND64-NEXT: $rax = POP64r implicit-def $rsp, implicit $rsp
+; OPERAND64-NEXT: CFI_INSTRUCTION adjust_cfa_offset -8
+; OPERAND64-NEXT: RET 0, $rax
}
define i32 @minus_one32() optsize {