72679c8e0e
Original PR broke in rebase https://github.com/llvm/llvm-project/pull/160247. Continuing here This patch adds support for G_[U|S][MIN|MAX] opcodes into X86 Target. This PR addressed review comments 1. About Widening to next power of 2 https://github.com/llvm/llvm-project/pull/160247#discussion_r2371655478 2. clamping scalar https://github.com/llvm/llvm-project/pull/160247#discussion_r2374748440
270 lines
8.9 KiB
LLVM
270 lines
8.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc < %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=X64,DAG-X64
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; RUN: llc < %s -mtriple=x86_64-linux-gnu -fast-isel | FileCheck %s --check-prefixes=X64,FASTISEL-X64
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; RUN: llc < %s -mtriple=x86_64-linux-gnu -global-isel -global-isel-abort=1 | FileCheck %s --check-prefixes=GISEL-X64
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; RUN: llc < %s -mtriple=i686-linux-gnu | FileCheck %s --check-prefixes=X86,DAG-X86
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; RUN: llc < %s -mtriple=i686-linux-gnu -fast-isel | FileCheck %s --check-prefixes=X86,FASTISEL-X86
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; RUN: llc < %s -mtriple=i686-linux-gnu -global-isel -global-isel-abort=1 | FileCheck %s --check-prefixes=GISEL-X86
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define i8 @umin_i8(i8 %a, i8 %b) nounwind readnone {
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; DAG-X64-LABEL: umin_i8:
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; DAG-X64: # %bb.0:
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; DAG-X64-NEXT: movl %esi, %eax
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; DAG-X64-NEXT: cmpb %al, %dil
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; DAG-X64-NEXT: cmovbl %edi, %eax
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; DAG-X64-NEXT: # kill: def $al killed $al killed $eax
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; DAG-X64-NEXT: retq
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;
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; FASTISEL-X64-LABEL: umin_i8:
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; FASTISEL-X64: # %bb.0:
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; FASTISEL-X64-NEXT: movzbl %dil, %ecx
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; FASTISEL-X64-NEXT: movzbl %sil, %eax
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; FASTISEL-X64-NEXT: cmpb %al, %cl
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; FASTISEL-X64-NEXT: cmovbl %ecx, %eax
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; FASTISEL-X64-NEXT: # kill: def $al killed $al killed $eax
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; FASTISEL-X64-NEXT: retq
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;
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; GISEL-X64-LABEL: umin_i8:
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; GISEL-X64: # %bb.0:
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; GISEL-X64-NEXT: movl %esi, %eax
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; GISEL-X64-NEXT: xorl %ecx, %ecx
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; GISEL-X64-NEXT: cmpb %al, %dil
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; GISEL-X64-NEXT: setb %cl
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; GISEL-X64-NEXT: andl $1, %ecx
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; GISEL-X64-NEXT: cmovnew %di, %ax
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; GISEL-X64-NEXT: # kill: def $al killed $al killed $eax
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; GISEL-X64-NEXT: retq
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;
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; X86-LABEL: umin_i8:
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; X86: # %bb.0:
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; X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: cmpb %cl, %al
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; X86-NEXT: jb .LBB0_2
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; X86-NEXT: # %bb.1:
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; X86-NEXT: movl %ecx, %eax
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; X86-NEXT: .LBB0_2:
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; X86-NEXT: retl
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;
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; GISEL-X86-LABEL: umin_i8:
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; GISEL-X86: # %bb.0:
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; GISEL-X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
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; GISEL-X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
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; GISEL-X86-NEXT: xorl %edx, %edx
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; GISEL-X86-NEXT: cmpb %al, %cl
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; GISEL-X86-NEXT: setb %dl
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; GISEL-X86-NEXT: andl $1, %edx
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; GISEL-X86-NEXT: je .LBB0_2
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; GISEL-X86-NEXT: # %bb.1:
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; GISEL-X86-NEXT: movl %ecx, %eax
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; GISEL-X86-NEXT: .LBB0_2:
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; GISEL-X86-NEXT: # kill: def $al killed $al killed $eax
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; GISEL-X86-NEXT: retl
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%ret = call i8 @llvm.umin.i8(i8 %a, i8 %b)
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ret i8 %ret
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}
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define i16 @umin_i16(i16 %a, i16 %b) nounwind readnone {
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; X64-LABEL: umin_i16:
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; X64: # %bb.0:
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; X64-NEXT: movl %esi, %eax
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; X64-NEXT: cmpw %ax, %di
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; X64-NEXT: cmovbl %edi, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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;
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; GISEL-X64-LABEL: umin_i16:
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; GISEL-X64: # %bb.0:
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; GISEL-X64-NEXT: movl %edi, %eax
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; GISEL-X64-NEXT: xorl %ecx, %ecx
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; GISEL-X64-NEXT: cmpw %si, %ax
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; GISEL-X64-NEXT: setb %cl
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; GISEL-X64-NEXT: andl $1, %ecx
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; GISEL-X64-NEXT: cmovew %si, %ax
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; GISEL-X64-NEXT: # kill: def $ax killed $ax killed $eax
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; GISEL-X64-NEXT: retq
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;
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; DAG-X86-LABEL: umin_i16:
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; DAG-X86: # %bb.0:
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; DAG-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; DAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; DAG-X86-NEXT: cmpw %cx, %ax
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; DAG-X86-NEXT: jb .LBB1_2
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; DAG-X86-NEXT: # %bb.1:
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; DAG-X86-NEXT: movl %ecx, %eax
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; DAG-X86-NEXT: .LBB1_2:
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; DAG-X86-NEXT: # kill: def $ax killed $ax killed $eax
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; DAG-X86-NEXT: retl
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;
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; FASTISEL-X86-LABEL: umin_i16:
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; FASTISEL-X86: # %bb.0:
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; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
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; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; FASTISEL-X86-NEXT: cmpw %cx, %ax
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; FASTISEL-X86-NEXT: jb .LBB1_2
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; FASTISEL-X86-NEXT: # %bb.1:
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; FASTISEL-X86-NEXT: movl %ecx, %eax
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; FASTISEL-X86-NEXT: .LBB1_2:
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; FASTISEL-X86-NEXT: # kill: def $ax killed $ax killed $eax
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; FASTISEL-X86-NEXT: retl
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;
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; GISEL-X86-LABEL: umin_i16:
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; GISEL-X86: # %bb.0:
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; GISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
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; GISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; GISEL-X86-NEXT: xorl %edx, %edx
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; GISEL-X86-NEXT: cmpw %ax, %cx
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; GISEL-X86-NEXT: setb %dl
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; GISEL-X86-NEXT: andl $1, %edx
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; GISEL-X86-NEXT: je .LBB1_2
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; GISEL-X86-NEXT: # %bb.1:
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; GISEL-X86-NEXT: movl %ecx, %eax
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; GISEL-X86-NEXT: .LBB1_2:
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; GISEL-X86-NEXT: # kill: def $ax killed $ax killed $eax
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; GISEL-X86-NEXT: retl
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%ret = call i16 @llvm.umin.i16(i16 %a, i16 %b)
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ret i16 %ret
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}
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define i32 @umin_i32(i32 %a, i32 %b) nounwind readnone {
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; X64-LABEL: umin_i32:
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; X64: # %bb.0:
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; X64-NEXT: movl %esi, %eax
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; X64-NEXT: cmpl %esi, %edi
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; X64-NEXT: cmovbl %edi, %eax
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; X64-NEXT: retq
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;
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; GISEL-X64-LABEL: umin_i32:
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; GISEL-X64: # %bb.0:
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; GISEL-X64-NEXT: movl %edi, %eax
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; GISEL-X64-NEXT: xorl %ecx, %ecx
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; GISEL-X64-NEXT: cmpl %esi, %edi
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; GISEL-X64-NEXT: setb %cl
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; GISEL-X64-NEXT: andl $1, %ecx
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; GISEL-X64-NEXT: cmovel %esi, %eax
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; GISEL-X64-NEXT: retq
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;
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; X86-LABEL: umin_i32:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: cmpl %ecx, %eax
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; X86-NEXT: jb .LBB2_2
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; X86-NEXT: # %bb.1:
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; X86-NEXT: movl %ecx, %eax
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; X86-NEXT: .LBB2_2:
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; X86-NEXT: retl
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;
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; GISEL-X86-LABEL: umin_i32:
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; GISEL-X86: # %bb.0:
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; GISEL-X86-NEXT: xorl %edx, %edx
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; GISEL-X86-NEXT: cmpl %eax, %ecx
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; GISEL-X86-NEXT: setb %dl
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; GISEL-X86-NEXT: andl $1, %edx
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; GISEL-X86-NEXT: je .LBB2_2
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; GISEL-X86-NEXT: # %bb.1:
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; GISEL-X86-NEXT: movl %ecx, %eax
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; GISEL-X86-NEXT: .LBB2_2:
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; GISEL-X86-NEXT: retl
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%ret = call i32 @llvm.umin.i32(i32 %a, i32 %b)
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ret i32 %ret
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}
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define i64 @umin_i64(i64 %a, i64 %b) nounwind readnone {
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; X64-LABEL: umin_i64:
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; X64: # %bb.0:
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; X64-NEXT: movq %rsi, %rax
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; X64-NEXT: cmpq %rsi, %rdi
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; X64-NEXT: cmovbq %rdi, %rax
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; X64-NEXT: retq
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;
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; GISEL-X64-LABEL: umin_i64:
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; GISEL-X64: # %bb.0:
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; GISEL-X64-NEXT: movq %rdi, %rax
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; GISEL-X64-NEXT: xorl %ecx, %ecx
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; GISEL-X64-NEXT: cmpq %rsi, %rdi
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; GISEL-X64-NEXT: setb %cl
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; GISEL-X64-NEXT: andl $1, %ecx
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; GISEL-X64-NEXT: cmoveq %rsi, %rax
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; GISEL-X64-NEXT: retq
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;
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; DAG-X86-LABEL: umin_i64:
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; DAG-X86: # %bb.0:
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; DAG-X86-NEXT: pushl %edi
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; DAG-X86-NEXT: pushl %esi
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; DAG-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; DAG-X86-NEXT: movl {{[0-9]+}}(%esp), %esi
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; DAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; DAG-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
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; DAG-X86-NEXT: cmpl %ecx, %eax
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; DAG-X86-NEXT: movl %edx, %edi
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; DAG-X86-NEXT: sbbl %esi, %edi
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; DAG-X86-NEXT: jb .LBB3_2
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; DAG-X86-NEXT: # %bb.1:
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; DAG-X86-NEXT: movl %ecx, %eax
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; DAG-X86-NEXT: movl %esi, %edx
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; DAG-X86-NEXT: .LBB3_2:
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; DAG-X86-NEXT: popl %esi
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; DAG-X86-NEXT: popl %edi
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; DAG-X86-NEXT: retl
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;
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; FASTISEL-X86-LABEL: umin_i64:
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; FASTISEL-X86: # %bb.0:
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; FASTISEL-X86-NEXT: pushl %edi
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; FASTISEL-X86-NEXT: pushl %esi
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; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %esi
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; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
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; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; FASTISEL-X86-NEXT: cmpl %esi, %eax
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; FASTISEL-X86-NEXT: movl %edx, %edi
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; FASTISEL-X86-NEXT: sbbl %ecx, %edi
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; FASTISEL-X86-NEXT: jb .LBB3_2
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; FASTISEL-X86-NEXT: # %bb.1:
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; FASTISEL-X86-NEXT: movl %esi, %eax
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; FASTISEL-X86-NEXT: movl %ecx, %edx
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; FASTISEL-X86-NEXT: .LBB3_2:
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; FASTISEL-X86-NEXT: popl %esi
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; FASTISEL-X86-NEXT: popl %edi
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; FASTISEL-X86-NEXT: retl
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;
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; GISEL-X86-LABEL: umin_i64:
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; GISEL-X86: # %bb.0:
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; GISEL-X86-NEXT: pushl %ebp
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; GISEL-X86-NEXT: pushl %ebx
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; GISEL-X86-NEXT: pushl %edi
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; GISEL-X86-NEXT: pushl %esi
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %esi
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ebp
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
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; GISEL-X86-NEXT: cmpl %eax, %esi
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; GISEL-X86-NEXT: setb %bl
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; GISEL-X86-NEXT: xorl %ecx, %ecx
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; GISEL-X86-NEXT: cmpl %edx, %ebp
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; GISEL-X86-NEXT: setb %bh
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; GISEL-X86-NEXT: sete %cl
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; GISEL-X86-NEXT: testl %ecx, %ecx
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; GISEL-X86-NEXT: je .LBB3_2
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; GISEL-X86-NEXT: # %bb.1:
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; GISEL-X86-NEXT: movb %bl, %bh
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; GISEL-X86-NEXT: .LBB3_2:
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; GISEL-X86-NEXT: movzbl %bh, %edi
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; GISEL-X86-NEXT: andl $1, %edi
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; GISEL-X86-NEXT: je .LBB3_4
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; GISEL-X86-NEXT: # %bb.3:
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; GISEL-X86-NEXT: movl %esi, %eax
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; GISEL-X86-NEXT: .LBB3_4:
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; GISEL-X86-NEXT: testl %edi, %edi
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; GISEL-X86-NEXT: je .LBB3_6
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; GISEL-X86-NEXT: # %bb.5:
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; GISEL-X86-NEXT: movl %ebp, %edx
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; GISEL-X86-NEXT: .LBB3_6:
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; GISEL-X86-NEXT: popl %esi
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; GISEL-X86-NEXT: popl %edi
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; GISEL-X86-NEXT: popl %ebx
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; GISEL-X86-NEXT: popl %ebp
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; GISEL-X86-NEXT: retl
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%ret = call i64 @llvm.umin.i64(i64 %a, i64 %b)
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ret i64 %ret
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}
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