10edabbcf3
* Create a libcall for s64 type for 32 bit targets. * Fix a bug in REM selection: SUBREG_TO_REG is not intended to produce a value from super registers. * Replace selector tests by end-to-end tests. Other passes check the selected MIR better.
151 lines
5.0 KiB
LLVM
151 lines
5.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -global-isel=0 -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=X64,SDAG-X64
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; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=X64,FAST-X64
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; RUN: llc < %s -global-isel -global-isel-abort=1 -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=X64,GISEL-X64
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; RUN: llc < %s -global-isel=0 -mtriple=i686-linux-gnu | FileCheck %s --check-prefixes=X86,DAG-X86,SDAG-X86
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; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=i686-linux-gnu | FileCheck %s --check-prefixes=X86,DAG-X86,FAST-X86
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; RUN: llc < %s -global-isel -global-isel-abort=1 -mtriple=i686-linux-gnu | FileCheck %s --check-prefixes=X86,GISEL-X86
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define i8 @test_srem_i8(i8 %arg1, i8 %arg2) nounwind {
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; SDAG-X64-LABEL: test_srem_i8:
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; SDAG-X64: # %bb.0:
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; SDAG-X64-NEXT: movsbl %dil, %eax
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; SDAG-X64-NEXT: idivb %sil
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; SDAG-X64-NEXT: movsbl %ah, %eax
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; SDAG-X64-NEXT: # kill: def $al killed $al killed $eax
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; SDAG-X64-NEXT: retq
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;
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; FAST-X64-LABEL: test_srem_i8:
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; FAST-X64: # %bb.0:
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; FAST-X64-NEXT: movsbl %dil, %eax
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; FAST-X64-NEXT: idivb %sil
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; FAST-X64-NEXT: shrw $8, %ax
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; FAST-X64-NEXT: # kill: def $al killed $al killed $ax
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; FAST-X64-NEXT: retq
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;
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; GISEL-X64-LABEL: test_srem_i8:
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; GISEL-X64: # %bb.0:
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; GISEL-X64-NEXT: movsbl %dil, %eax
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; GISEL-X64-NEXT: idivb %sil
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; GISEL-X64-NEXT: shrw $8, %ax
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; GISEL-X64-NEXT: # kill: def $al killed $al killed $ax
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; GISEL-X64-NEXT: retq
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;
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; SDAG-X86-LABEL: test_srem_i8:
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; SDAG-X86: # %bb.0:
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; SDAG-X86-NEXT: movsbl {{[0-9]+}}(%esp), %eax
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; SDAG-X86-NEXT: idivb {{[0-9]+}}(%esp)
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; SDAG-X86-NEXT: movsbl %ah, %eax
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; SDAG-X86-NEXT: # kill: def $al killed $al killed $eax
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; SDAG-X86-NEXT: retl
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;
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; FAST-X86-LABEL: test_srem_i8:
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; FAST-X86: # %bb.0:
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; FAST-X86-NEXT: movsbl {{[0-9]+}}(%esp), %eax
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; FAST-X86-NEXT: idivb {{[0-9]+}}(%esp)
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; FAST-X86-NEXT: movb %ah, %al
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; FAST-X86-NEXT: retl
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;
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; GISEL-X86-LABEL: test_srem_i8:
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; GISEL-X86: # %bb.0:
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; GISEL-X86-NEXT: cbtw
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; GISEL-X86-NEXT: idivb %cl
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; GISEL-X86-NEXT: movb %ah, %al
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; GISEL-X86-NEXT: retl
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%ret = srem i8 %arg1, %arg2
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ret i8 %ret
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}
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define i16 @test_srem_i16(i16 %arg1, i16 %arg2) nounwind {
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; X64-LABEL: test_srem_i16:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: cwtd
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; X64-NEXT: idivw %si
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; X64-NEXT: movl %edx, %eax
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; X64-NEXT: retq
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;
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; DAG-X86-LABEL: test_srem_i16:
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; DAG-X86: # %bb.0:
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; DAG-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; DAG-X86-NEXT: cwtd
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; DAG-X86-NEXT: idivw {{[0-9]+}}(%esp)
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; DAG-X86-NEXT: movl %edx, %eax
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; DAG-X86-NEXT: retl
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;
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; GISEL-X86-LABEL: test_srem_i16:
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; GISEL-X86: # %bb.0:
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; GISEL-X86-NEXT: # kill: def $ax killed $ax killed $eax
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; GISEL-X86-NEXT: cwtd
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; GISEL-X86-NEXT: idivw %cx
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; GISEL-X86-NEXT: movl %edx, %eax
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; GISEL-X86-NEXT: retl
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%ret = srem i16 %arg1, %arg2
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ret i16 %ret
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}
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define i32 @test_srem_i32(i32 %arg1, i32 %arg2) nounwind {
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; X64-LABEL: test_srem_i32:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: cltd
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; X64-NEXT: idivl %esi
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; X64-NEXT: movl %edx, %eax
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; X64-NEXT: retq
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;
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; X86-LABEL: test_srem_i32:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: cltd
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; X86-NEXT: idivl {{[0-9]+}}(%esp)
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; X86-NEXT: movl %edx, %eax
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; X86-NEXT: retl
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%ret = srem i32 %arg1, %arg2
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ret i32 %ret
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}
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define i64 @test_srem_i64(i64 %arg1, i64 %arg2) nounwind {
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; X64-LABEL: test_srem_i64:
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; X64: # %bb.0:
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: cqto
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; X64-NEXT: idivq %rsi
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; X64-NEXT: movq %rdx, %rax
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; X64-NEXT: retq
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;
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; DAG-X86-LABEL: test_srem_i64:
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; DAG-X86: # %bb.0:
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; DAG-X86-NEXT: subl $12, %esp
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; DAG-X86-NEXT: pushl {{[0-9]+}}(%esp)
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; DAG-X86-NEXT: pushl {{[0-9]+}}(%esp)
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; DAG-X86-NEXT: pushl {{[0-9]+}}(%esp)
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; DAG-X86-NEXT: pushl {{[0-9]+}}(%esp)
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; DAG-X86-NEXT: calll __moddi3
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; DAG-X86-NEXT: addl $28, %esp
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; DAG-X86-NEXT: retl
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;
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; GISEL-X86-LABEL: test_srem_i64:
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; GISEL-X86: # %bb.0:
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; GISEL-X86-NEXT: pushl %esi
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; GISEL-X86-NEXT: subl $24, %esp
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
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; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %esi
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; GISEL-X86-NEXT: movl %eax, (%esp)
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; GISEL-X86-NEXT: movl %ecx, {{[0-9]+}}(%esp)
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; GISEL-X86-NEXT: movl %edx, {{[0-9]+}}(%esp)
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; GISEL-X86-NEXT: movl %esi, {{[0-9]+}}(%esp)
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; GISEL-X86-NEXT: calll __moddi3
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; GISEL-X86-NEXT: addl $24, %esp
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; GISEL-X86-NEXT: popl %esi
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; GISEL-X86-NEXT: retl
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%ret = srem i64 %arg1, %arg2
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ret i64 %ret
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}
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