derek.holloway
7502bf64a4
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444 lines
15 KiB
LLVM
444 lines
15 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=X64-NOBMI2
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+bmi2 | FileCheck %s --check-prefixes=X64-BMI2
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; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefixes=X86-NOBMI2
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+bmi2 | FileCheck %s --check-prefixes=X86-BMI2
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define i64 @t0(i64 %val, i64 %shamt) nounwind {
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; X64-NOBMI2-LABEL: t0:
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; X64-NOBMI2: # %bb.0:
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; X64-NOBMI2-NEXT: movq %rdi, %rax
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; X64-NOBMI2-NEXT: leaq 32(%rsi), %rcx
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; X64-NOBMI2-NEXT: negq %rcx
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; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $rcx
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; X64-NOBMI2-NEXT: shlq %cl, %rax
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; X64-NOBMI2-NEXT: retq
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;
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; X64-BMI2-LABEL: t0:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: addq $32, %rsi
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; X64-BMI2-NEXT: negq %rsi
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; X64-BMI2-NEXT: shlxq %rsi, %rdi, %rax
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; X64-BMI2-NEXT: retq
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;
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; X86-NOBMI2-LABEL: t0:
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; X86-NOBMI2: # %bb.0:
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; X86-NOBMI2-NEXT: pushl %esi
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; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NOBMI2-NEXT: movb $32, %cl
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; X86-NOBMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
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; X86-NOBMI2-NEXT: movl %esi, %eax
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; X86-NOBMI2-NEXT: shll %cl, %eax
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; X86-NOBMI2-NEXT: shldl %cl, %esi, %edx
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; X86-NOBMI2-NEXT: testb $32, %cl
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; X86-NOBMI2-NEXT: je .LBB0_2
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; X86-NOBMI2-NEXT: # %bb.1:
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; X86-NOBMI2-NEXT: movl %eax, %edx
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; X86-NOBMI2-NEXT: xorl %eax, %eax
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; X86-NOBMI2-NEXT: .LBB0_2:
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; X86-NOBMI2-NEXT: popl %esi
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; X86-NOBMI2-NEXT: retl
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;
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; X86-BMI2-LABEL: t0:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-BMI2-NEXT: movb $32, %cl
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; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
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; X86-BMI2-NEXT: shldl %cl, %eax, %edx
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; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
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; X86-BMI2-NEXT: testb $32, %cl
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; X86-BMI2-NEXT: je .LBB0_2
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; X86-BMI2-NEXT: # %bb.1:
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; X86-BMI2-NEXT: movl %eax, %edx
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; X86-BMI2-NEXT: xorl %eax, %eax
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; X86-BMI2-NEXT: .LBB0_2:
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; X86-BMI2-NEXT: retl
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%negshamt = sub i64 32, %shamt
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%shifted = shl i64 %val, %negshamt
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ret i64 %shifted
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}
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; The constant we are subtracting from should be a multiple of 32.
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define i64 @n1(i64 %val, i64 %shamt) nounwind {
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; X64-NOBMI2-LABEL: n1:
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; X64-NOBMI2: # %bb.0:
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; X64-NOBMI2-NEXT: movq %rdi, %rax
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; X64-NOBMI2-NEXT: movb $33, %cl
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; X64-NOBMI2-NEXT: subb %sil, %cl
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; X64-NOBMI2-NEXT: shlq %cl, %rax
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; X64-NOBMI2-NEXT: retq
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;
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; X64-BMI2-LABEL: n1:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: movb $33, %al
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; X64-BMI2-NEXT: subb %sil, %al
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; X64-BMI2-NEXT: shlxq %rax, %rdi, %rax
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; X64-BMI2-NEXT: retq
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;
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; X86-NOBMI2-LABEL: n1:
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; X86-NOBMI2: # %bb.0:
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; X86-NOBMI2-NEXT: pushl %esi
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; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NOBMI2-NEXT: movb $33, %cl
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; X86-NOBMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
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; X86-NOBMI2-NEXT: movl %esi, %eax
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; X86-NOBMI2-NEXT: shll %cl, %eax
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; X86-NOBMI2-NEXT: shldl %cl, %esi, %edx
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; X86-NOBMI2-NEXT: testb $32, %cl
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; X86-NOBMI2-NEXT: je .LBB1_2
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; X86-NOBMI2-NEXT: # %bb.1:
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; X86-NOBMI2-NEXT: movl %eax, %edx
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; X86-NOBMI2-NEXT: xorl %eax, %eax
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; X86-NOBMI2-NEXT: .LBB1_2:
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; X86-NOBMI2-NEXT: popl %esi
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; X86-NOBMI2-NEXT: retl
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;
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; X86-BMI2-LABEL: n1:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-BMI2-NEXT: movb $33, %cl
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; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
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; X86-BMI2-NEXT: shldl %cl, %eax, %edx
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; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
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; X86-BMI2-NEXT: testb $32, %cl
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; X86-BMI2-NEXT: je .LBB1_2
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; X86-BMI2-NEXT: # %bb.1:
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; X86-BMI2-NEXT: movl %eax, %edx
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; X86-BMI2-NEXT: xorl %eax, %eax
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; X86-BMI2-NEXT: .LBB1_2:
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; X86-BMI2-NEXT: retl
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%negshamt = sub i64 33, %shamt
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%shifted = shl i64 %val, %negshamt
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ret i64 %shifted
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}
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define i64 @n2(i64 %val, i64 %shamt) nounwind {
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; X64-NOBMI2-LABEL: n2:
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; X64-NOBMI2: # %bb.0:
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; X64-NOBMI2-NEXT: movq %rdi, %rax
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; X64-NOBMI2-NEXT: movb $31, %cl
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; X64-NOBMI2-NEXT: subb %sil, %cl
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; X64-NOBMI2-NEXT: shlq %cl, %rax
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; X64-NOBMI2-NEXT: retq
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;
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; X64-BMI2-LABEL: n2:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: movb $31, %al
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; X64-BMI2-NEXT: subb %sil, %al
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; X64-BMI2-NEXT: shlxq %rax, %rdi, %rax
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; X64-BMI2-NEXT: retq
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;
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; X86-NOBMI2-LABEL: n2:
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; X86-NOBMI2: # %bb.0:
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; X86-NOBMI2-NEXT: pushl %esi
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; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NOBMI2-NEXT: movb $31, %cl
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; X86-NOBMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
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; X86-NOBMI2-NEXT: movl %esi, %eax
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; X86-NOBMI2-NEXT: shll %cl, %eax
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; X86-NOBMI2-NEXT: shldl %cl, %esi, %edx
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; X86-NOBMI2-NEXT: testb $32, %cl
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; X86-NOBMI2-NEXT: je .LBB2_2
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; X86-NOBMI2-NEXT: # %bb.1:
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; X86-NOBMI2-NEXT: movl %eax, %edx
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; X86-NOBMI2-NEXT: xorl %eax, %eax
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; X86-NOBMI2-NEXT: .LBB2_2:
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; X86-NOBMI2-NEXT: popl %esi
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; X86-NOBMI2-NEXT: retl
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;
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; X86-BMI2-LABEL: n2:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-BMI2-NEXT: movb $31, %cl
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; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
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; X86-BMI2-NEXT: shldl %cl, %eax, %edx
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; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
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; X86-BMI2-NEXT: testb $32, %cl
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; X86-BMI2-NEXT: je .LBB2_2
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; X86-BMI2-NEXT: # %bb.1:
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; X86-BMI2-NEXT: movl %eax, %edx
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; X86-BMI2-NEXT: xorl %eax, %eax
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; X86-BMI2-NEXT: .LBB2_2:
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; X86-BMI2-NEXT: retl
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%negshamt = sub i64 31, %shamt
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%shifted = shl i64 %val, %negshamt
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ret i64 %shifted
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}
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define i64 @t3(i64 %val, i64 %shamt) nounwind {
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; X64-NOBMI2-LABEL: t3:
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; X64-NOBMI2: # %bb.0:
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; X64-NOBMI2-NEXT: movq %rsi, %rcx
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; X64-NOBMI2-NEXT: movq %rdi, %rax
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; X64-NOBMI2-NEXT: negb %cl
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; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $rcx
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; X64-NOBMI2-NEXT: shlq %cl, %rax
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; X64-NOBMI2-NEXT: retq
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;
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; X64-BMI2-LABEL: t3:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: negb %sil
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; X64-BMI2-NEXT: shlxq %rsi, %rdi, %rax
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; X64-BMI2-NEXT: retq
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;
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; X86-NOBMI2-LABEL: t3:
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; X86-NOBMI2: # %bb.0:
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; X86-NOBMI2-NEXT: pushl %esi
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; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NOBMI2-NEXT: movb $64, %cl
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; X86-NOBMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
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; X86-NOBMI2-NEXT: movl %esi, %eax
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; X86-NOBMI2-NEXT: shll %cl, %eax
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; X86-NOBMI2-NEXT: shldl %cl, %esi, %edx
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; X86-NOBMI2-NEXT: testb $32, %cl
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; X86-NOBMI2-NEXT: je .LBB3_2
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; X86-NOBMI2-NEXT: # %bb.1:
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; X86-NOBMI2-NEXT: movl %eax, %edx
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; X86-NOBMI2-NEXT: xorl %eax, %eax
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; X86-NOBMI2-NEXT: .LBB3_2:
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; X86-NOBMI2-NEXT: popl %esi
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; X86-NOBMI2-NEXT: retl
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;
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; X86-BMI2-LABEL: t3:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-BMI2-NEXT: movb $64, %cl
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; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
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; X86-BMI2-NEXT: shldl %cl, %eax, %edx
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; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
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; X86-BMI2-NEXT: testb $32, %cl
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; X86-BMI2-NEXT: je .LBB3_2
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; X86-BMI2-NEXT: # %bb.1:
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; X86-BMI2-NEXT: movl %eax, %edx
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; X86-BMI2-NEXT: xorl %eax, %eax
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; X86-BMI2-NEXT: .LBB3_2:
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; X86-BMI2-NEXT: retl
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%negshamt = sub i64 64, %shamt
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%shifted = shl i64 %val, %negshamt
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ret i64 %shifted
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}
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define i64 @t4(i64 %val, i64 %shamt) nounwind {
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; X64-NOBMI2-LABEL: t4:
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; X64-NOBMI2: # %bb.0:
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; X64-NOBMI2-NEXT: movq %rdi, %rax
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; X64-NOBMI2-NEXT: leaq 96(%rsi), %rcx
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; X64-NOBMI2-NEXT: negq %rcx
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; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $rcx
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; X64-NOBMI2-NEXT: shlq %cl, %rax
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; X64-NOBMI2-NEXT: retq
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;
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; X64-BMI2-LABEL: t4:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: addq $96, %rsi
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; X64-BMI2-NEXT: negq %rsi
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; X64-BMI2-NEXT: shlxq %rsi, %rdi, %rax
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; X64-BMI2-NEXT: retq
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;
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; X86-NOBMI2-LABEL: t4:
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; X86-NOBMI2: # %bb.0:
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; X86-NOBMI2-NEXT: pushl %esi
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; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NOBMI2-NEXT: movb $96, %cl
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; X86-NOBMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
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; X86-NOBMI2-NEXT: movl %esi, %eax
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; X86-NOBMI2-NEXT: shll %cl, %eax
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; X86-NOBMI2-NEXT: shldl %cl, %esi, %edx
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; X86-NOBMI2-NEXT: testb $32, %cl
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; X86-NOBMI2-NEXT: je .LBB4_2
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; X86-NOBMI2-NEXT: # %bb.1:
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; X86-NOBMI2-NEXT: movl %eax, %edx
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; X86-NOBMI2-NEXT: xorl %eax, %eax
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; X86-NOBMI2-NEXT: .LBB4_2:
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; X86-NOBMI2-NEXT: popl %esi
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; X86-NOBMI2-NEXT: retl
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;
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; X86-BMI2-LABEL: t4:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-BMI2-NEXT: movb $96, %cl
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; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
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; X86-BMI2-NEXT: shldl %cl, %eax, %edx
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; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
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; X86-BMI2-NEXT: testb $32, %cl
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; X86-BMI2-NEXT: je .LBB4_2
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; X86-BMI2-NEXT: # %bb.1:
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; X86-BMI2-NEXT: movl %eax, %edx
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; X86-BMI2-NEXT: xorl %eax, %eax
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; X86-BMI2-NEXT: .LBB4_2:
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; X86-BMI2-NEXT: retl
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%negshamt = sub i64 96, %shamt
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%shifted = shl i64 %val, %negshamt
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ret i64 %shifted
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}
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define i64 @t5_cse(i64 %val, i64 %shamt, ptr%dst) nounwind {
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; X64-NOBMI2-LABEL: t5_cse:
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; X64-NOBMI2: # %bb.0:
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; X64-NOBMI2-NEXT: movq %rdi, %rax
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; X64-NOBMI2-NEXT: leaq 32(%rsi), %rcx
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; X64-NOBMI2-NEXT: movq %rcx, (%rdx)
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; X64-NOBMI2-NEXT: negq %rcx
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; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $rcx
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; X64-NOBMI2-NEXT: shlq %cl, %rax
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; X64-NOBMI2-NEXT: retq
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;
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; X64-BMI2-LABEL: t5_cse:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: addq $32, %rsi
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; X64-BMI2-NEXT: movq %rsi, (%rdx)
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; X64-BMI2-NEXT: negq %rsi
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; X64-BMI2-NEXT: shlxq %rsi, %rdi, %rax
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; X64-BMI2-NEXT: retq
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;
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; X86-NOBMI2-LABEL: t5_cse:
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; X86-NOBMI2: # %bb.0:
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; X86-NOBMI2-NEXT: pushl %ebx
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; X86-NOBMI2-NEXT: pushl %edi
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; X86-NOBMI2-NEXT: pushl %esi
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; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %edi
|
|
; X86-NOBMI2-NEXT: movl %eax, %ebx
|
|
; X86-NOBMI2-NEXT: addl $32, %ebx
|
|
; X86-NOBMI2-NEXT: adcl $0, %edi
|
|
; X86-NOBMI2-NEXT: movl %ebx, (%ecx)
|
|
; X86-NOBMI2-NEXT: movl %edi, 4(%ecx)
|
|
; X86-NOBMI2-NEXT: movb $32, %cl
|
|
; X86-NOBMI2-NEXT: subb %al, %cl
|
|
; X86-NOBMI2-NEXT: movl %esi, %eax
|
|
; X86-NOBMI2-NEXT: shll %cl, %eax
|
|
; X86-NOBMI2-NEXT: shldl %cl, %esi, %edx
|
|
; X86-NOBMI2-NEXT: testb $32, %cl
|
|
; X86-NOBMI2-NEXT: je .LBB5_2
|
|
; X86-NOBMI2-NEXT: # %bb.1:
|
|
; X86-NOBMI2-NEXT: movl %eax, %edx
|
|
; X86-NOBMI2-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI2-NEXT: .LBB5_2:
|
|
; X86-NOBMI2-NEXT: popl %esi
|
|
; X86-NOBMI2-NEXT: popl %edi
|
|
; X86-NOBMI2-NEXT: popl %ebx
|
|
; X86-NOBMI2-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: t5_cse:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %ebx
|
|
; X86-BMI2-NEXT: pushl %edi
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ebx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI2-NEXT: movl %ebx, %edi
|
|
; X86-BMI2-NEXT: addl $32, %edi
|
|
; X86-BMI2-NEXT: adcl $0, %esi
|
|
; X86-BMI2-NEXT: movl %edi, (%ecx)
|
|
; X86-BMI2-NEXT: movl %esi, 4(%ecx)
|
|
; X86-BMI2-NEXT: movb $32, %cl
|
|
; X86-BMI2-NEXT: subb %bl, %cl
|
|
; X86-BMI2-NEXT: shldl %cl, %eax, %edx
|
|
; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB5_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB5_2:
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: popl %edi
|
|
; X86-BMI2-NEXT: popl %ebx
|
|
; X86-BMI2-NEXT: retl
|
|
%incshamt = add i64 %shamt, 32
|
|
store i64 %incshamt, ptr %dst
|
|
%negshamt = sub i64 32, %shamt
|
|
%shifted = shl i64 %val, %negshamt
|
|
ret i64 %shifted
|
|
}
|
|
|
|
define i64 @t6_cse2(i64 %val, i64 %shamt, ptr%dst) nounwind {
|
|
; X64-NOBMI2-LABEL: t6_cse2:
|
|
; X64-NOBMI2: # %bb.0:
|
|
; X64-NOBMI2-NEXT: movq %rdi, %rax
|
|
; X64-NOBMI2-NEXT: movl $32, %ecx
|
|
; X64-NOBMI2-NEXT: subq %rsi, %rcx
|
|
; X64-NOBMI2-NEXT: movq %rcx, (%rdx)
|
|
; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI2-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI2-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: t6_cse2:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: movl $32, %eax
|
|
; X64-BMI2-NEXT: subq %rsi, %rax
|
|
; X64-BMI2-NEXT: movq %rax, (%rdx)
|
|
; X64-BMI2-NEXT: shlxq %rax, %rdi, %rax
|
|
; X64-BMI2-NEXT: retq
|
|
;
|
|
; X86-NOBMI2-LABEL: t6_cse2:
|
|
; X86-NOBMI2: # %bb.0:
|
|
; X86-NOBMI2-NEXT: pushl %edi
|
|
; X86-NOBMI2-NEXT: pushl %esi
|
|
; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI2-NEXT: xorl %edi, %edi
|
|
; X86-NOBMI2-NEXT: movl $32, %ecx
|
|
; X86-NOBMI2-NEXT: subl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NOBMI2-NEXT: sbbl {{[0-9]+}}(%esp), %edi
|
|
; X86-NOBMI2-NEXT: movl %ecx, (%eax)
|
|
; X86-NOBMI2-NEXT: movl %edi, 4(%eax)
|
|
; X86-NOBMI2-NEXT: movl %esi, %eax
|
|
; X86-NOBMI2-NEXT: shll %cl, %eax
|
|
; X86-NOBMI2-NEXT: shldl %cl, %esi, %edx
|
|
; X86-NOBMI2-NEXT: testb $32, %cl
|
|
; X86-NOBMI2-NEXT: je .LBB6_2
|
|
; X86-NOBMI2-NEXT: # %bb.1:
|
|
; X86-NOBMI2-NEXT: movl %eax, %edx
|
|
; X86-NOBMI2-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI2-NEXT: .LBB6_2:
|
|
; X86-NOBMI2-NEXT: popl %esi
|
|
; X86-NOBMI2-NEXT: popl %edi
|
|
; X86-NOBMI2-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: t6_cse2:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %edi
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI2-NEXT: xorl %edi, %edi
|
|
; X86-BMI2-NEXT: movl $32, %ecx
|
|
; X86-BMI2-NEXT: subl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: sbbl {{[0-9]+}}(%esp), %edi
|
|
; X86-BMI2-NEXT: movl %ecx, (%esi)
|
|
; X86-BMI2-NEXT: movl %edi, 4(%esi)
|
|
; X86-BMI2-NEXT: shldl %cl, %eax, %edx
|
|
; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB6_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB6_2:
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: popl %edi
|
|
; X86-BMI2-NEXT: retl
|
|
%negshamt = sub i64 32, %shamt
|
|
store i64 %negshamt, ptr %dst
|
|
%shifted = shl i64 %val, %negshamt
|
|
ret i64 %shifted
|
|
}
|