; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=-cmov | FileCheck %s --check-prefix=I386-NOCMOV ; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=+cmov | FileCheck %s --check-prefix=I386-CMOV ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=-cmov | FileCheck %s --check-prefix=I686-NOCMOV ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+cmov | FileCheck %s --check-prefix=I686-CMOV ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-cmov | FileCheck %s --check-prefix=X86_64 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+cmov | FileCheck %s --check-prefix=X86_64 ; Values don't come from regs. All good. define i8 @t0(i32 %a1_wide_orig, i32 %a2_wide_orig, i32 %inc) nounwind { ; I386-NOCMOV-LABEL: t0: ; I386-NOCMOV: # %bb.0: ; I386-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I386-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I386-NOCMOV-NEXT: addl %ecx, %eax ; I386-NOCMOV-NEXT: addl {{[0-9]+}}(%esp), %ecx ; I386-NOCMOV-NEXT: cmpb %cl, %al ; I386-NOCMOV-NEXT: jg .LBB0_2 ; I386-NOCMOV-NEXT: # %bb.1: ; I386-NOCMOV-NEXT: movl %ecx, %eax ; I386-NOCMOV-NEXT: .LBB0_2: ; I386-NOCMOV-NEXT: # kill: def $al killed $al killed $eax ; I386-NOCMOV-NEXT: retl ; ; I386-CMOV-LABEL: t0: ; I386-CMOV: # %bb.0: ; I386-CMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I386-CMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I386-CMOV-NEXT: addl %eax, %ecx ; I386-CMOV-NEXT: addl {{[0-9]+}}(%esp), %eax ; I386-CMOV-NEXT: cmpb %al, %cl ; I386-CMOV-NEXT: cmovgl %ecx, %eax ; I386-CMOV-NEXT: # kill: def $al killed $al killed $eax ; I386-CMOV-NEXT: retl ; ; I686-NOCMOV-LABEL: t0: ; I686-NOCMOV: # %bb.0: ; I686-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I686-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I686-NOCMOV-NEXT: addl %ecx, %eax ; I686-NOCMOV-NEXT: addl {{[0-9]+}}(%esp), %ecx ; I686-NOCMOV-NEXT: cmpb %cl, %al ; I686-NOCMOV-NEXT: jg .LBB0_2 ; I686-NOCMOV-NEXT: # %bb.1: ; I686-NOCMOV-NEXT: movl %ecx, %eax ; I686-NOCMOV-NEXT: .LBB0_2: ; I686-NOCMOV-NEXT: # kill: def $al killed $al killed $eax ; I686-NOCMOV-NEXT: retl ; ; I686-CMOV-LABEL: t0: ; I686-CMOV: # %bb.0: ; I686-CMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I686-CMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I686-CMOV-NEXT: addl %eax, %ecx ; I686-CMOV-NEXT: addl {{[0-9]+}}(%esp), %eax ; I686-CMOV-NEXT: cmpb %al, %cl ; I686-CMOV-NEXT: cmovgl %ecx, %eax ; I686-CMOV-NEXT: # kill: def $al killed $al killed $eax ; I686-CMOV-NEXT: retl ; ; X86_64-LABEL: t0: ; X86_64: # %bb.0: ; X86_64-NEXT: movl %esi, %eax ; X86_64-NEXT: addl %edx, %edi ; X86_64-NEXT: addl %edx, %eax ; X86_64-NEXT: cmpb %al, %dil ; X86_64-NEXT: cmovgl %edi, %eax ; X86_64-NEXT: # kill: def $al killed $al killed $eax ; X86_64-NEXT: retq %a1_wide = add i32 %a1_wide_orig, %inc %a2_wide = add i32 %a2_wide_orig, %inc %a1 = trunc i32 %a1_wide to i8 %a2 = trunc i32 %a2_wide to i8 %t1 = icmp sgt i8 %a1, %a2 %t2 = select i1 %t1, i8 %a1, i8 %a2 ret i8 %t2 } ; Values don't come from regs, but there is only one truncation. define i8 @neg_only_one_truncation(i32 %a1_wide_orig, i8 %a2_orig, i32 %inc) nounwind { ; I386-NOCMOV-LABEL: neg_only_one_truncation: ; I386-NOCMOV: # %bb.0: ; I386-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I386-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I386-NOCMOV-NEXT: addl %ecx, %eax ; I386-NOCMOV-NEXT: addb {{[0-9]+}}(%esp), %cl ; I386-NOCMOV-NEXT: cmpb %cl, %al ; I386-NOCMOV-NEXT: jg .LBB1_2 ; I386-NOCMOV-NEXT: # %bb.1: ; I386-NOCMOV-NEXT: movl %ecx, %eax ; I386-NOCMOV-NEXT: .LBB1_2: ; I386-NOCMOV-NEXT: # kill: def $al killed $al killed $eax ; I386-NOCMOV-NEXT: retl ; ; I386-CMOV-LABEL: neg_only_one_truncation: ; I386-CMOV: # %bb.0: ; I386-CMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I386-CMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I386-CMOV-NEXT: addl %eax, %ecx ; I386-CMOV-NEXT: addb {{[0-9]+}}(%esp), %al ; I386-CMOV-NEXT: cmpb %al, %cl ; I386-CMOV-NEXT: movzbl %al, %eax ; I386-CMOV-NEXT: cmovgl %ecx, %eax ; I386-CMOV-NEXT: # kill: def $al killed $al killed $eax ; I386-CMOV-NEXT: retl ; ; I686-NOCMOV-LABEL: neg_only_one_truncation: ; I686-NOCMOV: # %bb.0: ; I686-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I686-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I686-NOCMOV-NEXT: addl %ecx, %eax ; I686-NOCMOV-NEXT: addb {{[0-9]+}}(%esp), %cl ; I686-NOCMOV-NEXT: cmpb %cl, %al ; I686-NOCMOV-NEXT: jg .LBB1_2 ; I686-NOCMOV-NEXT: # %bb.1: ; I686-NOCMOV-NEXT: movl %ecx, %eax ; I686-NOCMOV-NEXT: .LBB1_2: ; I686-NOCMOV-NEXT: # kill: def $al killed $al killed $eax ; I686-NOCMOV-NEXT: retl ; ; I686-CMOV-LABEL: neg_only_one_truncation: ; I686-CMOV: # %bb.0: ; I686-CMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I686-CMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I686-CMOV-NEXT: addl %eax, %ecx ; I686-CMOV-NEXT: addb {{[0-9]+}}(%esp), %al ; I686-CMOV-NEXT: cmpb %al, %cl ; I686-CMOV-NEXT: movzbl %al, %eax ; I686-CMOV-NEXT: cmovgl %ecx, %eax ; I686-CMOV-NEXT: # kill: def $al killed $al killed $eax ; I686-CMOV-NEXT: retl ; ; X86_64-LABEL: neg_only_one_truncation: ; X86_64: # %bb.0: ; X86_64-NEXT: addl %edx, %edi ; X86_64-NEXT: addb %sil, %dl ; X86_64-NEXT: cmpb %dl, %dil ; X86_64-NEXT: movzbl %dl, %eax ; X86_64-NEXT: cmovgl %edi, %eax ; X86_64-NEXT: # kill: def $al killed $al killed $eax ; X86_64-NEXT: retq %a1_wide = add i32 %a1_wide_orig, %inc %inc_short = trunc i32 %inc to i8 %a2 = add i8 %a2_orig, %inc_short %a1 = trunc i32 %a1_wide to i8 %t1 = icmp sgt i8 %a1, %a2 %t2 = select i1 %t1, i8 %a1, i8 %a2 ret i8 %t2 } ; Values don't come from regs, but truncation from different types. define i8 @neg_type_mismatch(i32 %a1_wide_orig, i16 %a2_wide_orig, i32 %inc) nounwind { ; I386-NOCMOV-LABEL: neg_type_mismatch: ; I386-NOCMOV: # %bb.0: ; I386-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I386-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I386-NOCMOV-NEXT: addl %ecx, %eax ; I386-NOCMOV-NEXT: addw {{[0-9]+}}(%esp), %cx ; I386-NOCMOV-NEXT: cmpb %cl, %al ; I386-NOCMOV-NEXT: jg .LBB2_2 ; I386-NOCMOV-NEXT: # %bb.1: ; I386-NOCMOV-NEXT: movl %ecx, %eax ; I386-NOCMOV-NEXT: .LBB2_2: ; I386-NOCMOV-NEXT: # kill: def $al killed $al killed $eax ; I386-NOCMOV-NEXT: retl ; ; I386-CMOV-LABEL: neg_type_mismatch: ; I386-CMOV: # %bb.0: ; I386-CMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I386-CMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I386-CMOV-NEXT: addl %eax, %ecx ; I386-CMOV-NEXT: addw {{[0-9]+}}(%esp), %ax ; I386-CMOV-NEXT: cmpb %al, %cl ; I386-CMOV-NEXT: cmovgl %ecx, %eax ; I386-CMOV-NEXT: # kill: def $al killed $al killed $eax ; I386-CMOV-NEXT: retl ; ; I686-NOCMOV-LABEL: neg_type_mismatch: ; I686-NOCMOV: # %bb.0: ; I686-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I686-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I686-NOCMOV-NEXT: addl %ecx, %eax ; I686-NOCMOV-NEXT: addw {{[0-9]+}}(%esp), %cx ; I686-NOCMOV-NEXT: cmpb %cl, %al ; I686-NOCMOV-NEXT: jg .LBB2_2 ; I686-NOCMOV-NEXT: # %bb.1: ; I686-NOCMOV-NEXT: movl %ecx, %eax ; I686-NOCMOV-NEXT: .LBB2_2: ; I686-NOCMOV-NEXT: # kill: def $al killed $al killed $eax ; I686-NOCMOV-NEXT: retl ; ; I686-CMOV-LABEL: neg_type_mismatch: ; I686-CMOV: # %bb.0: ; I686-CMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I686-CMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I686-CMOV-NEXT: addl %eax, %ecx ; I686-CMOV-NEXT: addw {{[0-9]+}}(%esp), %ax ; I686-CMOV-NEXT: cmpb %al, %cl ; I686-CMOV-NEXT: cmovgl %ecx, %eax ; I686-CMOV-NEXT: # kill: def $al killed $al killed $eax ; I686-CMOV-NEXT: retl ; ; X86_64-LABEL: neg_type_mismatch: ; X86_64: # %bb.0: ; X86_64-NEXT: movl %esi, %eax ; X86_64-NEXT: addl %edx, %edi ; X86_64-NEXT: addl %edx, %eax ; X86_64-NEXT: cmpb %al, %dil ; X86_64-NEXT: cmovgl %edi, %eax ; X86_64-NEXT: # kill: def $al killed $al killed $eax ; X86_64-NEXT: retq %a1_wide = add i32 %a1_wide_orig, %inc %inc_short = trunc i32 %inc to i16 %a2_wide = add i16 %a2_wide_orig, %inc_short %a1 = trunc i32 %a1_wide to i8 %a2 = trunc i16 %a2_wide to i8 %t1 = icmp sgt i8 %a1, %a2 %t2 = select i1 %t1, i8 %a1, i8 %a2 ret i8 %t2 } ; One value come from regs define i8 @negative_CopyFromReg(i32 %a1_wide, i32 %a2_wide_orig, i32 %inc) nounwind { ; I386-NOCMOV-LABEL: negative_CopyFromReg: ; I386-NOCMOV: # %bb.0: ; I386-NOCMOV-NEXT: movb {{[0-9]+}}(%esp), %al ; I386-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I386-NOCMOV-NEXT: addl {{[0-9]+}}(%esp), %ecx ; I386-NOCMOV-NEXT: cmpb %cl, %al ; I386-NOCMOV-NEXT: jg .LBB3_2 ; I386-NOCMOV-NEXT: # %bb.1: ; I386-NOCMOV-NEXT: movl %ecx, %eax ; I386-NOCMOV-NEXT: .LBB3_2: ; I386-NOCMOV-NEXT: retl ; ; I386-CMOV-LABEL: negative_CopyFromReg: ; I386-CMOV: # %bb.0: ; I386-CMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I386-CMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I386-CMOV-NEXT: addl {{[0-9]+}}(%esp), %eax ; I386-CMOV-NEXT: cmpb %al, %cl ; I386-CMOV-NEXT: cmovgl %ecx, %eax ; I386-CMOV-NEXT: # kill: def $al killed $al killed $eax ; I386-CMOV-NEXT: retl ; ; I686-NOCMOV-LABEL: negative_CopyFromReg: ; I686-NOCMOV: # %bb.0: ; I686-NOCMOV-NEXT: movb {{[0-9]+}}(%esp), %al ; I686-NOCMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I686-NOCMOV-NEXT: addl {{[0-9]+}}(%esp), %ecx ; I686-NOCMOV-NEXT: cmpb %cl, %al ; I686-NOCMOV-NEXT: jg .LBB3_2 ; I686-NOCMOV-NEXT: # %bb.1: ; I686-NOCMOV-NEXT: movl %ecx, %eax ; I686-NOCMOV-NEXT: .LBB3_2: ; I686-NOCMOV-NEXT: retl ; ; I686-CMOV-LABEL: negative_CopyFromReg: ; I686-CMOV: # %bb.0: ; I686-CMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I686-CMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I686-CMOV-NEXT: addl {{[0-9]+}}(%esp), %eax ; I686-CMOV-NEXT: cmpb %al, %cl ; I686-CMOV-NEXT: cmovgl %ecx, %eax ; I686-CMOV-NEXT: # kill: def $al killed $al killed $eax ; I686-CMOV-NEXT: retl ; ; X86_64-LABEL: negative_CopyFromReg: ; X86_64: # %bb.0: ; X86_64-NEXT: movl %esi, %eax ; X86_64-NEXT: addl %edx, %eax ; X86_64-NEXT: cmpb %al, %dil ; X86_64-NEXT: cmovgl %edi, %eax ; X86_64-NEXT: # kill: def $al killed $al killed $eax ; X86_64-NEXT: retq %a2_wide = add i32 %a2_wide_orig, %inc %a1 = trunc i32 %a1_wide to i8 %a2 = trunc i32 %a2_wide to i8 %t1 = icmp sgt i8 %a1, %a2 %t2 = select i1 %t1, i8 %a1, i8 %a2 ret i8 %t2 } ; Both values come from regs define i8 @negative_CopyFromRegs(i32 %a1_wide, i32 %a2_wide) nounwind { ; I386-NOCMOV-LABEL: negative_CopyFromRegs: ; I386-NOCMOV: # %bb.0: ; I386-NOCMOV-NEXT: movb {{[0-9]+}}(%esp), %cl ; I386-NOCMOV-NEXT: movb {{[0-9]+}}(%esp), %al ; I386-NOCMOV-NEXT: cmpb %cl, %al ; I386-NOCMOV-NEXT: jg .LBB4_2 ; I386-NOCMOV-NEXT: # %bb.1: ; I386-NOCMOV-NEXT: movl %ecx, %eax ; I386-NOCMOV-NEXT: .LBB4_2: ; I386-NOCMOV-NEXT: retl ; ; I386-CMOV-LABEL: negative_CopyFromRegs: ; I386-CMOV: # %bb.0: ; I386-CMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I386-CMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I386-CMOV-NEXT: cmpb %al, %cl ; I386-CMOV-NEXT: cmovgl %ecx, %eax ; I386-CMOV-NEXT: # kill: def $al killed $al killed $eax ; I386-CMOV-NEXT: retl ; ; I686-NOCMOV-LABEL: negative_CopyFromRegs: ; I686-NOCMOV: # %bb.0: ; I686-NOCMOV-NEXT: movb {{[0-9]+}}(%esp), %cl ; I686-NOCMOV-NEXT: movb {{[0-9]+}}(%esp), %al ; I686-NOCMOV-NEXT: cmpb %cl, %al ; I686-NOCMOV-NEXT: jg .LBB4_2 ; I686-NOCMOV-NEXT: # %bb.1: ; I686-NOCMOV-NEXT: movl %ecx, %eax ; I686-NOCMOV-NEXT: .LBB4_2: ; I686-NOCMOV-NEXT: retl ; ; I686-CMOV-LABEL: negative_CopyFromRegs: ; I686-CMOV: # %bb.0: ; I686-CMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; I686-CMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; I686-CMOV-NEXT: cmpb %al, %cl ; I686-CMOV-NEXT: cmovgl %ecx, %eax ; I686-CMOV-NEXT: # kill: def $al killed $al killed $eax ; I686-CMOV-NEXT: retl ; ; X86_64-LABEL: negative_CopyFromRegs: ; X86_64: # %bb.0: ; X86_64-NEXT: movl %esi, %eax ; X86_64-NEXT: cmpb %al, %dil ; X86_64-NEXT: cmovgl %edi, %eax ; X86_64-NEXT: # kill: def $al killed $al killed $eax ; X86_64-NEXT: retq %a1 = trunc i32 %a1_wide to i8 %a2 = trunc i32 %a2_wide to i8 %t1 = icmp sgt i8 %a1, %a2 %t2 = select i1 %t1, i8 %a1, i8 %a2 ret i8 %t2 }