forked from OSchip/llvm-project
854 lines
30 KiB
LLVM
854 lines
30 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+sse,sse2 < %s | FileCheck %s --check-prefixes=CHECK,X86,V0123,X86-V0123,SSE2,X86-SSE2,BMI1,X86-BMI1,V0,X86-V0
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; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+sse,sse2,+bmi < %s | FileCheck %s --check-prefixes=CHECK,X86,V0123,X86-V0123,SSE2,X86-SSE2,BMI1,X86-BMI1,V1,X86-V1
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; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+sse,sse2,+bmi,+bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X86,V0123,X86-V0123,SSE2,X86-SSE2,BMI2,X86-BMI2,V2,X86-V2
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; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+sse,sse2,+bmi,+bmi2,+avx2 < %s | FileCheck %s --check-prefixes=CHECK,X86,V0123,X86-V0123,BMI2,X86-BMI2,AVX2,X86-AVX2
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+sse,sse2 < %s | FileCheck %s --check-prefixes=CHECK,X64,V0123,X64-V0123,SSE2,X64-SSE2,BMI1,X64-BMI1,V0,X64-V0
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+sse,sse2,+bmi < %s | FileCheck %s --check-prefixes=CHECK,X64,V0123,X64-V0123,SSE2,X64-SSE2,BMI1,X64-BMI1,V1,X64-V1
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+sse,sse2,+bmi,+bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X64,V0123,X64-V0123,SSE2,X64-SSE2,BMI2,X64-BMI2,V2,X64-V2
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+sse,sse2,+bmi,+bmi2,+avx2 < %s | FileCheck %s --check-prefixes=CHECK,X64,V0123,X64-V0123,BMI2,X64-BMI2,AVX2,X64-AVX2
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; We are looking for the following pattern here:
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; (X & (C << Y)) ==/!= 0
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; It may be optimal to hoist the constant:
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; ((X l>> Y) & C) ==/!= 0
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;------------------------------------------------------------------------------;
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; A few scalar test
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;------------------------------------------------------------------------------;
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; i8 scalar
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define i1 @scalar_i8_signbit_eq(i8 %x, i8 %y) nounwind {
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; X86-LABEL: scalar_i8_signbit_eq:
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; X86: # %bb.0:
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-NEXT: shrb %cl, %al
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; X86-NEXT: testb $-128, %al
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; X86-NEXT: sete %al
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; X86-NEXT: retl
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;
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; X64-LABEL: scalar_i8_signbit_eq:
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; X64: # %bb.0:
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; X64-NEXT: movl %esi, %ecx
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; X64-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-NEXT: shrb %cl, %dil
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; X64-NEXT: testb $-128, %dil
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; X64-NEXT: sete %al
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; X64-NEXT: retq
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%t0 = shl i8 128, %y
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%t1 = and i8 %t0, %x
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%res = icmp eq i8 %t1, 0
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ret i1 %res
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}
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define i1 @scalar_i8_lowestbit_eq(i8 %x, i8 %y) nounwind {
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; X86-LABEL: scalar_i8_lowestbit_eq:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %eax, %ecx
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; X86-NEXT: setae %al
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; X86-NEXT: retl
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;
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; X64-LABEL: scalar_i8_lowestbit_eq:
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; X64: # %bb.0:
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: setae %al
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; X64-NEXT: retq
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%t0 = shl i8 1, %y
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%t1 = and i8 %t0, %x
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%res = icmp eq i8 %t1, 0
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ret i1 %res
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}
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define i1 @scalar_i8_bitsinmiddle_eq(i8 %x, i8 %y) nounwind {
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; X86-LABEL: scalar_i8_bitsinmiddle_eq:
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; X86: # %bb.0:
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-NEXT: shrb %cl, %al
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; X86-NEXT: testb $24, %al
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; X86-NEXT: sete %al
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; X86-NEXT: retl
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;
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; X64-LABEL: scalar_i8_bitsinmiddle_eq:
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; X64: # %bb.0:
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; X64-NEXT: movl %esi, %ecx
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; X64-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-NEXT: shrb %cl, %dil
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; X64-NEXT: testb $24, %dil
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; X64-NEXT: sete %al
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; X64-NEXT: retq
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%t0 = shl i8 24, %y
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%t1 = and i8 %t0, %x
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%res = icmp eq i8 %t1, 0
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ret i1 %res
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}
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; i16 scalar
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define i1 @scalar_i16_signbit_eq(i16 %x, i16 %y) nounwind {
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; X86-BMI1-LABEL: scalar_i16_signbit_eq:
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; X86-BMI1: # %bb.0:
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; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI1-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-BMI1-NEXT: shrl %cl, %eax
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; X86-BMI1-NEXT: testl $32768, %eax # imm = 0x8000
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; X86-BMI1-NEXT: sete %al
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; X86-BMI1-NEXT: retl
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;
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; X86-BMI2-LABEL: scalar_i16_signbit_eq:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI2-NEXT: shrxl %ecx, %eax, %eax
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; X86-BMI2-NEXT: testl $32768, %eax # imm = 0x8000
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; X86-BMI2-NEXT: sete %al
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; X86-BMI2-NEXT: retl
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;
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; X64-BMI1-LABEL: scalar_i16_signbit_eq:
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; X64-BMI1: # %bb.0:
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; X64-BMI1-NEXT: movl %esi, %ecx
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; X64-BMI1-NEXT: movzwl %di, %eax
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; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-BMI1-NEXT: shrl %cl, %eax
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; X64-BMI1-NEXT: testl $32768, %eax # imm = 0x8000
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; X64-BMI1-NEXT: sete %al
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; X64-BMI1-NEXT: retq
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;
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; X64-BMI2-LABEL: scalar_i16_signbit_eq:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: movzwl %di, %eax
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; X64-BMI2-NEXT: shrxl %esi, %eax, %eax
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; X64-BMI2-NEXT: testl $32768, %eax # imm = 0x8000
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; X64-BMI2-NEXT: sete %al
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; X64-BMI2-NEXT: retq
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%t0 = shl i16 32768, %y
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%t1 = and i16 %t0, %x
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%res = icmp eq i16 %t1, 0
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ret i1 %res
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}
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define i1 @scalar_i16_lowestbit_eq(i16 %x, i16 %y) nounwind {
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; X86-LABEL: scalar_i16_lowestbit_eq:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %eax, %ecx
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; X86-NEXT: setae %al
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; X86-NEXT: retl
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;
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; X64-LABEL: scalar_i16_lowestbit_eq:
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; X64: # %bb.0:
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: setae %al
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; X64-NEXT: retq
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%t0 = shl i16 1, %y
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%t1 = and i16 %t0, %x
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%res = icmp eq i16 %t1, 0
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ret i1 %res
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}
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define i1 @scalar_i16_bitsinmiddle_eq(i16 %x, i16 %y) nounwind {
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; X86-BMI1-LABEL: scalar_i16_bitsinmiddle_eq:
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; X86-BMI1: # %bb.0:
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; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI1-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-BMI1-NEXT: shrl %cl, %eax
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; X86-BMI1-NEXT: testl $4080, %eax # imm = 0xFF0
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; X86-BMI1-NEXT: sete %al
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; X86-BMI1-NEXT: retl
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;
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; X86-BMI2-LABEL: scalar_i16_bitsinmiddle_eq:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI2-NEXT: shrxl %ecx, %eax, %eax
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; X86-BMI2-NEXT: testl $4080, %eax # imm = 0xFF0
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; X86-BMI2-NEXT: sete %al
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; X86-BMI2-NEXT: retl
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;
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; X64-BMI1-LABEL: scalar_i16_bitsinmiddle_eq:
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; X64-BMI1: # %bb.0:
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; X64-BMI1-NEXT: movl %esi, %ecx
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; X64-BMI1-NEXT: movzwl %di, %eax
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; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-BMI1-NEXT: shrl %cl, %eax
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; X64-BMI1-NEXT: testl $4080, %eax # imm = 0xFF0
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; X64-BMI1-NEXT: sete %al
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; X64-BMI1-NEXT: retq
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;
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; X64-BMI2-LABEL: scalar_i16_bitsinmiddle_eq:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: movzwl %di, %eax
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; X64-BMI2-NEXT: shrxl %esi, %eax, %eax
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; X64-BMI2-NEXT: testl $4080, %eax # imm = 0xFF0
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; X64-BMI2-NEXT: sete %al
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; X64-BMI2-NEXT: retq
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%t0 = shl i16 4080, %y
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%t1 = and i16 %t0, %x
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%res = icmp eq i16 %t1, 0
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ret i1 %res
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}
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; i32 scalar
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define i1 @scalar_i32_signbit_eq(i32 %x, i32 %y) nounwind {
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; X86-BMI1-LABEL: scalar_i32_signbit_eq:
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; X86-BMI1: # %bb.0:
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; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BMI1-NEXT: shrl %cl, %eax
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; X86-BMI1-NEXT: testl $-2147483648, %eax # imm = 0x80000000
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; X86-BMI1-NEXT: sete %al
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; X86-BMI1-NEXT: retl
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;
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; X86-BMI2-LABEL: scalar_i32_signbit_eq:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-BMI2-NEXT: shrxl %eax, {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: testl $-2147483648, %eax # imm = 0x80000000
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; X86-BMI2-NEXT: sete %al
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; X86-BMI2-NEXT: retl
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;
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; X64-BMI1-LABEL: scalar_i32_signbit_eq:
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; X64-BMI1: # %bb.0:
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; X64-BMI1-NEXT: movl %esi, %ecx
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; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-BMI1-NEXT: shrl %cl, %edi
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; X64-BMI1-NEXT: testl $-2147483648, %edi # imm = 0x80000000
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; X64-BMI1-NEXT: sete %al
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; X64-BMI1-NEXT: retq
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;
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; X64-BMI2-LABEL: scalar_i32_signbit_eq:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: shrxl %esi, %edi, %eax
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; X64-BMI2-NEXT: testl $-2147483648, %eax # imm = 0x80000000
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; X64-BMI2-NEXT: sete %al
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; X64-BMI2-NEXT: retq
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%t0 = shl i32 2147483648, %y
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%t1 = and i32 %t0, %x
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%res = icmp eq i32 %t1, 0
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ret i1 %res
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}
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define i1 @scalar_i32_lowestbit_eq(i32 %x, i32 %y) nounwind {
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; X86-LABEL: scalar_i32_lowestbit_eq:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: setae %al
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; X86-NEXT: retl
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;
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; X64-LABEL: scalar_i32_lowestbit_eq:
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; X64: # %bb.0:
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: setae %al
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; X64-NEXT: retq
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%t0 = shl i32 1, %y
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%t1 = and i32 %t0, %x
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%res = icmp eq i32 %t1, 0
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ret i1 %res
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}
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define i1 @scalar_i32_bitsinmiddle_eq(i32 %x, i32 %y) nounwind {
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; X86-BMI1-LABEL: scalar_i32_bitsinmiddle_eq:
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; X86-BMI1: # %bb.0:
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; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BMI1-NEXT: shrl %cl, %eax
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; X86-BMI1-NEXT: testl $16776960, %eax # imm = 0xFFFF00
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; X86-BMI1-NEXT: sete %al
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; X86-BMI1-NEXT: retl
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;
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; X86-BMI2-LABEL: scalar_i32_bitsinmiddle_eq:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-BMI2-NEXT: shrxl %eax, {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: testl $16776960, %eax # imm = 0xFFFF00
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; X86-BMI2-NEXT: sete %al
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; X86-BMI2-NEXT: retl
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;
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; X64-BMI1-LABEL: scalar_i32_bitsinmiddle_eq:
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; X64-BMI1: # %bb.0:
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; X64-BMI1-NEXT: movl %esi, %ecx
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; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-BMI1-NEXT: shrl %cl, %edi
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; X64-BMI1-NEXT: testl $16776960, %edi # imm = 0xFFFF00
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; X64-BMI1-NEXT: sete %al
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; X64-BMI1-NEXT: retq
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;
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; X64-BMI2-LABEL: scalar_i32_bitsinmiddle_eq:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: shrxl %esi, %edi, %eax
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; X64-BMI2-NEXT: testl $16776960, %eax # imm = 0xFFFF00
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; X64-BMI2-NEXT: sete %al
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; X64-BMI2-NEXT: retq
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%t0 = shl i32 16776960, %y
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%t1 = and i32 %t0, %x
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%res = icmp eq i32 %t1, 0
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ret i1 %res
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}
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; i64 scalar
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define i1 @scalar_i64_signbit_eq(i64 %x, i64 %y) nounwind {
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; X86-BMI1-LABEL: scalar_i64_signbit_eq:
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; X86-BMI1: # %bb.0:
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; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BMI1-NEXT: shrl %cl, %eax
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; X86-BMI1-NEXT: xorl %edx, %edx
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; X86-BMI1-NEXT: testb $32, %cl
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; X86-BMI1-NEXT: cmovel %eax, %edx
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; X86-BMI1-NEXT: testl $-2147483648, %edx # imm = 0x80000000
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; X86-BMI1-NEXT: sete %al
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; X86-BMI1-NEXT: retl
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;
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; X86-BMI2-LABEL: scalar_i64_signbit_eq:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-BMI2-NEXT: shrxl %eax, {{[0-9]+}}(%esp), %ecx
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; X86-BMI2-NEXT: xorl %edx, %edx
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; X86-BMI2-NEXT: testb $32, %al
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; X86-BMI2-NEXT: cmovel %ecx, %edx
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; X86-BMI2-NEXT: testl $-2147483648, %edx # imm = 0x80000000
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; X86-BMI2-NEXT: sete %al
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; X86-BMI2-NEXT: retl
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;
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; X64-BMI1-LABEL: scalar_i64_signbit_eq:
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; X64-BMI1: # %bb.0:
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; X64-BMI1-NEXT: movq %rsi, %rcx
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; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $rcx
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; X64-BMI1-NEXT: shrq %cl, %rdi
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; X64-BMI1-NEXT: btq $63, %rdi
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; X64-BMI1-NEXT: setae %al
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; X64-BMI1-NEXT: retq
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;
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; X64-BMI2-LABEL: scalar_i64_signbit_eq:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: shrxq %rsi, %rdi, %rax
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; X64-BMI2-NEXT: btq $63, %rax
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; X64-BMI2-NEXT: setae %al
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; X64-BMI2-NEXT: retq
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%t0 = shl i64 9223372036854775808, %y
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%t1 = and i64 %t0, %x
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%res = icmp eq i64 %t1, 0
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ret i1 %res
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}
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define i1 @scalar_i64_lowestbit_eq(i64 %x, i64 %y) nounwind {
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; X86-BMI1-LABEL: scalar_i64_lowestbit_eq:
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; X86-BMI1: # %bb.0:
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; X86-BMI1-NEXT: pushl %esi
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; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI1-NEXT: movl $1, %eax
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; X86-BMI1-NEXT: xorl %edx, %edx
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; X86-BMI1-NEXT: xorl %esi, %esi
|
|
; X86-BMI1-NEXT: shldl %cl, %eax, %esi
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: cmovnel %eax, %esi
|
|
; X86-BMI1-NEXT: cmovnel %edx, %eax
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: orl %esi, %eax
|
|
; X86-BMI1-NEXT: sete %al
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: scalar_i64_lowestbit_eq:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: movl $1, %eax
|
|
; X86-BMI2-NEXT: xorl %edx, %edx
|
|
; X86-BMI2-NEXT: xorl %esi, %esi
|
|
; X86-BMI2-NEXT: shldl %cl, %eax, %esi
|
|
; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: cmovnel %eax, %esi
|
|
; X86-BMI2-NEXT: cmovnel %edx, %eax
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: orl %esi, %eax
|
|
; X86-BMI2-NEXT: sete %al
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-LABEL: scalar_i64_lowestbit_eq:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: btq %rsi, %rdi
|
|
; X64-NEXT: setae %al
|
|
; X64-NEXT: retq
|
|
%t0 = shl i64 1, %y
|
|
%t1 = and i64 %t0, %x
|
|
%res = icmp eq i64 %t1, 0
|
|
ret i1 %res
|
|
}
|
|
|
|
define i1 @scalar_i64_bitsinmiddle_eq(i64 %x, i64 %y) nounwind {
|
|
; X86-BMI1-LABEL: scalar_i64_bitsinmiddle_eq:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: movl %edx, %esi
|
|
; X86-BMI1-NEXT: shrl %cl, %esi
|
|
; X86-BMI1-NEXT: shrdl %cl, %edx, %eax
|
|
; X86-BMI1-NEXT: xorl %edx, %edx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: cmovnel %esi, %eax
|
|
; X86-BMI1-NEXT: cmovel %esi, %edx
|
|
; X86-BMI1-NEXT: andl $-65536, %eax # imm = 0xFFFF0000
|
|
; X86-BMI1-NEXT: movzwl %dx, %ecx
|
|
; X86-BMI1-NEXT: orl %eax, %ecx
|
|
; X86-BMI1-NEXT: sete %al
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: scalar_i64_bitsinmiddle_eq:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI2-NEXT: shrdl %cl, %edx, %eax
|
|
; X86-BMI2-NEXT: shrxl %ecx, %edx, %edx
|
|
; X86-BMI2-NEXT: xorl %esi, %esi
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: cmovnel %edx, %eax
|
|
; X86-BMI2-NEXT: cmovel %edx, %esi
|
|
; X86-BMI2-NEXT: andl $-65536, %eax # imm = 0xFFFF0000
|
|
; X86-BMI2-NEXT: movzwl %si, %ecx
|
|
; X86-BMI2-NEXT: orl %eax, %ecx
|
|
; X86-BMI2-NEXT: sete %al
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-BMI1-LABEL: scalar_i64_bitsinmiddle_eq:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movq %rsi, %rcx
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-BMI1-NEXT: shrq %cl, %rdi
|
|
; X64-BMI1-NEXT: movabsq $281474976645120, %rax # imm = 0xFFFFFFFF0000
|
|
; X64-BMI1-NEXT: testq %rax, %rdi
|
|
; X64-BMI1-NEXT: sete %al
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: scalar_i64_bitsinmiddle_eq:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: shrxq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: movabsq $281474976645120, %rcx # imm = 0xFFFFFFFF0000
|
|
; X64-BMI2-NEXT: testq %rcx, %rax
|
|
; X64-BMI2-NEXT: sete %al
|
|
; X64-BMI2-NEXT: retq
|
|
%t0 = shl i64 281474976645120, %y
|
|
%t1 = and i64 %t0, %x
|
|
%res = icmp eq i64 %t1, 0
|
|
ret i1 %res
|
|
}
|
|
|
|
;------------------------------------------------------------------------------;
|
|
; A few trivial vector tests
|
|
;------------------------------------------------------------------------------;
|
|
|
|
define <4 x i1> @vec_4xi32_splat_eq(<4 x i32> %x, <4 x i32> %y) nounwind {
|
|
; X86-SSE2-LABEL: vec_4xi32_splat_eq:
|
|
; X86-SSE2: # %bb.0:
|
|
; X86-SSE2-NEXT: pslld $23, %xmm1
|
|
; X86-SSE2-NEXT: paddd {{\.LCPI.*}}, %xmm1
|
|
; X86-SSE2-NEXT: cvttps2dq %xmm1, %xmm1
|
|
; X86-SSE2-NEXT: movdqa {{.*#+}} xmm2 = [1,1,1,1]
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm1[1,1,3,3]
|
|
; X86-SSE2-NEXT: pmuludq %xmm2, %xmm3
|
|
; X86-SSE2-NEXT: pmuludq %xmm1, %xmm2
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm3[0,2,2,3]
|
|
; X86-SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
|
|
; X86-SSE2-NEXT: pand %xmm1, %xmm0
|
|
; X86-SSE2-NEXT: pxor %xmm1, %xmm1
|
|
; X86-SSE2-NEXT: pcmpeqd %xmm1, %xmm0
|
|
; X86-SSE2-NEXT: retl
|
|
;
|
|
; AVX2-LABEL: vec_4xi32_splat_eq:
|
|
; AVX2: # %bb.0:
|
|
; AVX2-NEXT: vpbroadcastd {{.*#+}} xmm2 = [1,1,1,1]
|
|
; AVX2-NEXT: vpxor %xmm3, %xmm3, %xmm3
|
|
; AVX2-NEXT: vpsrlvd %xmm1, %xmm0, %xmm0
|
|
; AVX2-NEXT: vpand %xmm2, %xmm0, %xmm0
|
|
; AVX2-NEXT: vpcmpeqd %xmm3, %xmm0, %xmm0
|
|
; AVX2-NEXT: ret{{[l|q]}}
|
|
;
|
|
; X64-SSE2-LABEL: vec_4xi32_splat_eq:
|
|
; X64-SSE2: # %bb.0:
|
|
; X64-SSE2-NEXT: pslld $23, %xmm1
|
|
; X64-SSE2-NEXT: paddd {{.*}}(%rip), %xmm1
|
|
; X64-SSE2-NEXT: cvttps2dq %xmm1, %xmm1
|
|
; X64-SSE2-NEXT: movdqa {{.*#+}} xmm2 = [1,1,1,1]
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm1[1,1,3,3]
|
|
; X64-SSE2-NEXT: pmuludq %xmm2, %xmm3
|
|
; X64-SSE2-NEXT: pmuludq %xmm1, %xmm2
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm3[0,2,2,3]
|
|
; X64-SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
|
|
; X64-SSE2-NEXT: pand %xmm1, %xmm0
|
|
; X64-SSE2-NEXT: pxor %xmm1, %xmm1
|
|
; X64-SSE2-NEXT: pcmpeqd %xmm1, %xmm0
|
|
; X64-SSE2-NEXT: retq
|
|
%t0 = shl <4 x i32> <i32 1, i32 1, i32 1, i32 1>, %y
|
|
%t1 = and <4 x i32> %t0, %x
|
|
%res = icmp eq <4 x i32> %t1, <i32 0, i32 0, i32 0, i32 0>
|
|
ret <4 x i1> %res
|
|
}
|
|
|
|
define <4 x i1> @vec_4xi32_nonsplat_eq(<4 x i32> %x, <4 x i32> %y) nounwind {
|
|
; X86-SSE2-LABEL: vec_4xi32_nonsplat_eq:
|
|
; X86-SSE2: # %bb.0:
|
|
; X86-SSE2-NEXT: pslld $23, %xmm1
|
|
; X86-SSE2-NEXT: paddd {{\.LCPI.*}}, %xmm1
|
|
; X86-SSE2-NEXT: cvttps2dq %xmm1, %xmm1
|
|
; X86-SSE2-NEXT: movdqa {{.*#+}} xmm2 = [0,1,16776960,2147483648]
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm2[1,1,3,3]
|
|
; X86-SSE2-NEXT: pmuludq %xmm1, %xmm2
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3]
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
|
|
; X86-SSE2-NEXT: pmuludq %xmm3, %xmm1
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3]
|
|
; X86-SSE2-NEXT: punpckldq {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1]
|
|
; X86-SSE2-NEXT: pand %xmm2, %xmm0
|
|
; X86-SSE2-NEXT: pxor %xmm1, %xmm1
|
|
; X86-SSE2-NEXT: pcmpeqd %xmm1, %xmm0
|
|
; X86-SSE2-NEXT: retl
|
|
;
|
|
; AVX2-LABEL: vec_4xi32_nonsplat_eq:
|
|
; AVX2: # %bb.0:
|
|
; AVX2-NEXT: vmovdqa {{.*#+}} xmm2 = [0,1,16776960,2147483648]
|
|
; AVX2-NEXT: vpsllvd %xmm1, %xmm2, %xmm1
|
|
; AVX2-NEXT: vpand %xmm0, %xmm1, %xmm0
|
|
; AVX2-NEXT: vpxor %xmm1, %xmm1, %xmm1
|
|
; AVX2-NEXT: vpcmpeqd %xmm1, %xmm0, %xmm0
|
|
; AVX2-NEXT: ret{{[l|q]}}
|
|
;
|
|
; X64-SSE2-LABEL: vec_4xi32_nonsplat_eq:
|
|
; X64-SSE2: # %bb.0:
|
|
; X64-SSE2-NEXT: pslld $23, %xmm1
|
|
; X64-SSE2-NEXT: paddd {{.*}}(%rip), %xmm1
|
|
; X64-SSE2-NEXT: cvttps2dq %xmm1, %xmm1
|
|
; X64-SSE2-NEXT: movdqa {{.*#+}} xmm2 = [0,1,16776960,2147483648]
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm2[1,1,3,3]
|
|
; X64-SSE2-NEXT: pmuludq %xmm1, %xmm2
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3]
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
|
|
; X64-SSE2-NEXT: pmuludq %xmm3, %xmm1
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3]
|
|
; X64-SSE2-NEXT: punpckldq {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1]
|
|
; X64-SSE2-NEXT: pand %xmm2, %xmm0
|
|
; X64-SSE2-NEXT: pxor %xmm1, %xmm1
|
|
; X64-SSE2-NEXT: pcmpeqd %xmm1, %xmm0
|
|
; X64-SSE2-NEXT: retq
|
|
%t0 = shl <4 x i32> <i32 0, i32 1, i32 16776960, i32 2147483648>, %y
|
|
%t1 = and <4 x i32> %t0, %x
|
|
%res = icmp eq <4 x i32> %t1, <i32 0, i32 0, i32 0, i32 0>
|
|
ret <4 x i1> %res
|
|
}
|
|
|
|
define <4 x i1> @vec_4xi32_nonsplat_undef0_eq(<4 x i32> %x, <4 x i32> %y) nounwind {
|
|
; X86-SSE2-LABEL: vec_4xi32_nonsplat_undef0_eq:
|
|
; X86-SSE2: # %bb.0:
|
|
; X86-SSE2-NEXT: pslld $23, %xmm1
|
|
; X86-SSE2-NEXT: paddd {{\.LCPI.*}}, %xmm1
|
|
; X86-SSE2-NEXT: cvttps2dq %xmm1, %xmm1
|
|
; X86-SSE2-NEXT: movdqa {{.*#+}} xmm2 = [1,1,1,1]
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm1[1,1,3,3]
|
|
; X86-SSE2-NEXT: pmuludq %xmm2, %xmm3
|
|
; X86-SSE2-NEXT: pmuludq %xmm1, %xmm2
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm3[0,2,2,3]
|
|
; X86-SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
|
|
; X86-SSE2-NEXT: pand %xmm1, %xmm0
|
|
; X86-SSE2-NEXT: pxor %xmm1, %xmm1
|
|
; X86-SSE2-NEXT: pcmpeqd %xmm1, %xmm0
|
|
; X86-SSE2-NEXT: retl
|
|
;
|
|
; AVX2-LABEL: vec_4xi32_nonsplat_undef0_eq:
|
|
; AVX2: # %bb.0:
|
|
; AVX2-NEXT: vpbroadcastd {{.*#+}} xmm2 = [1,1,1,1]
|
|
; AVX2-NEXT: vpxor %xmm3, %xmm3, %xmm3
|
|
; AVX2-NEXT: vpsrlvd %xmm1, %xmm0, %xmm0
|
|
; AVX2-NEXT: vpand %xmm2, %xmm0, %xmm0
|
|
; AVX2-NEXT: vpcmpeqd %xmm3, %xmm0, %xmm0
|
|
; AVX2-NEXT: ret{{[l|q]}}
|
|
;
|
|
; X64-SSE2-LABEL: vec_4xi32_nonsplat_undef0_eq:
|
|
; X64-SSE2: # %bb.0:
|
|
; X64-SSE2-NEXT: pslld $23, %xmm1
|
|
; X64-SSE2-NEXT: paddd {{.*}}(%rip), %xmm1
|
|
; X64-SSE2-NEXT: cvttps2dq %xmm1, %xmm1
|
|
; X64-SSE2-NEXT: movdqa {{.*#+}} xmm2 = [1,1,1,1]
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm1[1,1,3,3]
|
|
; X64-SSE2-NEXT: pmuludq %xmm2, %xmm3
|
|
; X64-SSE2-NEXT: pmuludq %xmm1, %xmm2
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm3[0,2,2,3]
|
|
; X64-SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
|
|
; X64-SSE2-NEXT: pand %xmm1, %xmm0
|
|
; X64-SSE2-NEXT: pxor %xmm1, %xmm1
|
|
; X64-SSE2-NEXT: pcmpeqd %xmm1, %xmm0
|
|
; X64-SSE2-NEXT: retq
|
|
%t0 = shl <4 x i32> <i32 1, i32 1, i32 undef, i32 1>, %y
|
|
%t1 = and <4 x i32> %t0, %x
|
|
%res = icmp eq <4 x i32> %t1, <i32 0, i32 0, i32 0, i32 0>
|
|
ret <4 x i1> %res
|
|
}
|
|
define <4 x i1> @vec_4xi32_nonsplat_undef1_eq(<4 x i32> %x, <4 x i32> %y) nounwind {
|
|
; X86-SSE2-LABEL: vec_4xi32_nonsplat_undef1_eq:
|
|
; X86-SSE2: # %bb.0:
|
|
; X86-SSE2-NEXT: pslld $23, %xmm1
|
|
; X86-SSE2-NEXT: paddd {{\.LCPI.*}}, %xmm1
|
|
; X86-SSE2-NEXT: cvttps2dq %xmm1, %xmm1
|
|
; X86-SSE2-NEXT: movdqa {{.*#+}} xmm2 = [1,1,1,1]
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm1[1,1,3,3]
|
|
; X86-SSE2-NEXT: pmuludq %xmm2, %xmm3
|
|
; X86-SSE2-NEXT: pmuludq %xmm1, %xmm2
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm3[0,2,2,3]
|
|
; X86-SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
|
|
; X86-SSE2-NEXT: pand %xmm1, %xmm0
|
|
; X86-SSE2-NEXT: pxor %xmm1, %xmm1
|
|
; X86-SSE2-NEXT: pcmpeqd %xmm1, %xmm0
|
|
; X86-SSE2-NEXT: retl
|
|
;
|
|
; AVX2-LABEL: vec_4xi32_nonsplat_undef1_eq:
|
|
; AVX2: # %bb.0:
|
|
; AVX2-NEXT: vpbroadcastd {{.*#+}} xmm2 = [1,1,1,1]
|
|
; AVX2-NEXT: vpsllvd %xmm1, %xmm2, %xmm1
|
|
; AVX2-NEXT: vpand %xmm0, %xmm1, %xmm0
|
|
; AVX2-NEXT: vpxor %xmm1, %xmm1, %xmm1
|
|
; AVX2-NEXT: vpcmpeqd %xmm1, %xmm0, %xmm0
|
|
; AVX2-NEXT: ret{{[l|q]}}
|
|
;
|
|
; X64-SSE2-LABEL: vec_4xi32_nonsplat_undef1_eq:
|
|
; X64-SSE2: # %bb.0:
|
|
; X64-SSE2-NEXT: pslld $23, %xmm1
|
|
; X64-SSE2-NEXT: paddd {{.*}}(%rip), %xmm1
|
|
; X64-SSE2-NEXT: cvttps2dq %xmm1, %xmm1
|
|
; X64-SSE2-NEXT: movdqa {{.*#+}} xmm2 = [1,1,1,1]
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm1[1,1,3,3]
|
|
; X64-SSE2-NEXT: pmuludq %xmm2, %xmm3
|
|
; X64-SSE2-NEXT: pmuludq %xmm1, %xmm2
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm3[0,2,2,3]
|
|
; X64-SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
|
|
; X64-SSE2-NEXT: pand %xmm1, %xmm0
|
|
; X64-SSE2-NEXT: pxor %xmm1, %xmm1
|
|
; X64-SSE2-NEXT: pcmpeqd %xmm1, %xmm0
|
|
; X64-SSE2-NEXT: retq
|
|
%t0 = shl <4 x i32> <i32 1, i32 1, i32 1, i32 1>, %y
|
|
%t1 = and <4 x i32> %t0, %x
|
|
%res = icmp eq <4 x i32> %t1, <i32 0, i32 0, i32 undef, i32 0>
|
|
ret <4 x i1> %res
|
|
}
|
|
define <4 x i1> @vec_4xi32_nonsplat_undef2_eq(<4 x i32> %x, <4 x i32> %y) nounwind {
|
|
; X86-SSE2-LABEL: vec_4xi32_nonsplat_undef2_eq:
|
|
; X86-SSE2: # %bb.0:
|
|
; X86-SSE2-NEXT: pslld $23, %xmm1
|
|
; X86-SSE2-NEXT: paddd {{\.LCPI.*}}, %xmm1
|
|
; X86-SSE2-NEXT: cvttps2dq %xmm1, %xmm1
|
|
; X86-SSE2-NEXT: movdqa {{.*#+}} xmm2 = [1,1,1,1]
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm1[1,1,3,3]
|
|
; X86-SSE2-NEXT: pmuludq %xmm2, %xmm3
|
|
; X86-SSE2-NEXT: pmuludq %xmm1, %xmm2
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
|
|
; X86-SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm3[0,2,2,3]
|
|
; X86-SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
|
|
; X86-SSE2-NEXT: pand %xmm1, %xmm0
|
|
; X86-SSE2-NEXT: pxor %xmm1, %xmm1
|
|
; X86-SSE2-NEXT: pcmpeqd %xmm1, %xmm0
|
|
; X86-SSE2-NEXT: retl
|
|
;
|
|
; AVX2-LABEL: vec_4xi32_nonsplat_undef2_eq:
|
|
; AVX2: # %bb.0:
|
|
; AVX2-NEXT: vpbroadcastd {{.*#+}} xmm2 = [1,1,1,1]
|
|
; AVX2-NEXT: vpsllvd %xmm1, %xmm2, %xmm1
|
|
; AVX2-NEXT: vpand %xmm0, %xmm1, %xmm0
|
|
; AVX2-NEXT: vpxor %xmm1, %xmm1, %xmm1
|
|
; AVX2-NEXT: vpcmpeqd %xmm1, %xmm0, %xmm0
|
|
; AVX2-NEXT: ret{{[l|q]}}
|
|
;
|
|
; X64-SSE2-LABEL: vec_4xi32_nonsplat_undef2_eq:
|
|
; X64-SSE2: # %bb.0:
|
|
; X64-SSE2-NEXT: pslld $23, %xmm1
|
|
; X64-SSE2-NEXT: paddd {{.*}}(%rip), %xmm1
|
|
; X64-SSE2-NEXT: cvttps2dq %xmm1, %xmm1
|
|
; X64-SSE2-NEXT: movdqa {{.*#+}} xmm2 = [1,1,1,1]
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm1[1,1,3,3]
|
|
; X64-SSE2-NEXT: pmuludq %xmm2, %xmm3
|
|
; X64-SSE2-NEXT: pmuludq %xmm1, %xmm2
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
|
|
; X64-SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm3[0,2,2,3]
|
|
; X64-SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
|
|
; X64-SSE2-NEXT: pand %xmm1, %xmm0
|
|
; X64-SSE2-NEXT: pxor %xmm1, %xmm1
|
|
; X64-SSE2-NEXT: pcmpeqd %xmm1, %xmm0
|
|
; X64-SSE2-NEXT: retq
|
|
%t0 = shl <4 x i32> <i32 1, i32 1, i32 undef, i32 1>, %y
|
|
%t1 = and <4 x i32> %t0, %x
|
|
%res = icmp eq <4 x i32> %t1, <i32 0, i32 0, i32 undef, i32 0>
|
|
ret <4 x i1> %res
|
|
}
|
|
|
|
;------------------------------------------------------------------------------;
|
|
; A special tests
|
|
;------------------------------------------------------------------------------;
|
|
|
|
define i1 @scalar_i8_signbit_ne(i8 %x, i8 %y) nounwind {
|
|
; X86-LABEL: scalar_i8_signbit_ne:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-NEXT: shrb %cl, %al
|
|
; X86-NEXT: shrb $7, %al
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: scalar_i8_signbit_ne:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %esi, %ecx
|
|
; X64-NEXT: movl %edi, %eax
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NEXT: shrb %cl, %al
|
|
; X64-NEXT: shrb $7, %al
|
|
; X64-NEXT: # kill: def $al killed $al killed $eax
|
|
; X64-NEXT: retq
|
|
%t0 = shl i8 128, %y
|
|
%t1 = and i8 %t0, %x
|
|
%res = icmp ne i8 %t1, 0 ; we are perfectly happy with 'ne' predicate
|
|
ret i1 %res
|
|
}
|
|
|
|
;------------------------------------------------------------------------------;
|
|
; What if X is a constant too?
|
|
;------------------------------------------------------------------------------;
|
|
|
|
define i1 @scalar_i32_x_is_const_eq(i32 %y) nounwind {
|
|
; X86-BMI1-LABEL: scalar_i32_x_is_const_eq:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1437226411, %eax # imm = 0xAA55AA55
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: testb $1, %al
|
|
; X86-BMI1-NEXT: sete %al
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: scalar_i32_x_is_const_eq:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: movl $-1437226411, %ecx # imm = 0xAA55AA55
|
|
; X86-BMI2-NEXT: shlxl %eax, %ecx, %eax
|
|
; X86-BMI2-NEXT: testb $1, %al
|
|
; X86-BMI2-NEXT: sete %al
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-BMI1-LABEL: scalar_i32_x_is_const_eq:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movl %edi, %ecx
|
|
; X64-BMI1-NEXT: movl $-1437226411, %eax # imm = 0xAA55AA55
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-BMI1-NEXT: shll %cl, %eax
|
|
; X64-BMI1-NEXT: testb $1, %al
|
|
; X64-BMI1-NEXT: sete %al
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: scalar_i32_x_is_const_eq:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: movl $-1437226411, %eax # imm = 0xAA55AA55
|
|
; X64-BMI2-NEXT: shlxl %edi, %eax, %eax
|
|
; X64-BMI2-NEXT: testb $1, %al
|
|
; X64-BMI2-NEXT: sete %al
|
|
; X64-BMI2-NEXT: retq
|
|
%t0 = shl i32 2857740885, %y
|
|
%t1 = and i32 %t0, 1
|
|
%res = icmp eq i32 %t1, 0
|
|
ret i1 %res
|
|
}
|
|
define i1 @scalar_i32_x_is_const2_eq(i32 %y) nounwind {
|
|
; X86-LABEL: scalar_i32_x_is_const2_eq:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl $-1437226411, %ecx # imm = 0xAA55AA55
|
|
; X86-NEXT: btl %eax, %ecx
|
|
; X86-NEXT: setae %al
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: scalar_i32_x_is_const2_eq:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl $-1437226411, %eax # imm = 0xAA55AA55
|
|
; X64-NEXT: btl %edi, %eax
|
|
; X64-NEXT: setae %al
|
|
; X64-NEXT: retq
|
|
%t0 = shl i32 1, %y
|
|
%t1 = and i32 %t0, 2857740885
|
|
%res = icmp eq i32 %t1, 0
|
|
ret i1 %res
|
|
}
|
|
|
|
;------------------------------------------------------------------------------;
|
|
; A few negative tests
|
|
;------------------------------------------------------------------------------;
|
|
|
|
define i1 @negative_scalar_i8_bitsinmiddle_slt(i8 %x, i8 %y) nounwind {
|
|
; X86-LABEL: negative_scalar_i8_bitsinmiddle_slt:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movb $24, %al
|
|
; X86-NEXT: shlb %cl, %al
|
|
; X86-NEXT: andb {{[0-9]+}}(%esp), %al
|
|
; X86-NEXT: shrb $7, %al
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: negative_scalar_i8_bitsinmiddle_slt:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %esi, %ecx
|
|
; X64-NEXT: movb $24, %al
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NEXT: shlb %cl, %al
|
|
; X64-NEXT: andb %dil, %al
|
|
; X64-NEXT: shrb $7, %al
|
|
; X64-NEXT: retq
|
|
%t0 = shl i8 24, %y
|
|
%t1 = and i8 %t0, %x
|
|
%res = icmp slt i8 %t1, 0
|
|
ret i1 %res
|
|
}
|
|
|
|
define i1 @scalar_i8_signbit_eq_with_nonzero(i8 %x, i8 %y) nounwind {
|
|
; X86-LABEL: scalar_i8_signbit_eq_with_nonzero:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movb $-128, %al
|
|
; X86-NEXT: shlb %cl, %al
|
|
; X86-NEXT: andb {{[0-9]+}}(%esp), %al
|
|
; X86-NEXT: cmpb $1, %al
|
|
; X86-NEXT: sete %al
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: scalar_i8_signbit_eq_with_nonzero:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %esi, %ecx
|
|
; X64-NEXT: movb $-128, %al
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NEXT: shlb %cl, %al
|
|
; X64-NEXT: andb %dil, %al
|
|
; X64-NEXT: cmpb $1, %al
|
|
; X64-NEXT: sete %al
|
|
; X64-NEXT: retq
|
|
%t0 = shl i8 128, %y
|
|
%t1 = and i8 %t0, %x
|
|
%res = icmp eq i8 %t1, 1 ; should be comparing with 0
|
|
ret i1 %res
|
|
}
|