; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-pc-linux | FileCheck %s --check-prefix=X86 ; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s --check-prefixes=X64,X64-MASK ; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=bdver1 | FileCheck %s --check-prefixes=X64,X64-SHIFT,X64-SHIFT2 ; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=bdver2 | FileCheck %s --check-prefixes=X64,X64-SHIFT,X64-TBM ; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=bdver3 | FileCheck %s --check-prefixes=X64,X64-SHIFT,X64-TBM ; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=bdver4 | FileCheck %s --check-prefixes=X64,X64-SHIFT,X64-TBM ; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=btver1 | FileCheck %s --check-prefixes=X64,X64-SHIFT,X64-SHIFT2 ; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=btver2 | FileCheck %s --check-prefixes=X64,X64-SHIFT,X64-BMI,X64-BMI1 ; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=znver1 | FileCheck %s --check-prefixes=X64,X64-SHIFT,X64-BMI,X64-BMI2 ; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=znver2 | FileCheck %s --check-prefixes=X64,X64-SHIFT,X64-BMI,X64-BMI2 ; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+fast-scalar-shift-masks | FileCheck %s --check-prefixes=X64,X64-SHIFT,X64-SHIFT2 ; ; fold (shl (lshr x, c1), c2) -> (0) (and x, MASK) or ; (1) (and (shl x, (sub c2, c1), MASK) or ; (2) (and (lshr x, (sub c1, c2), MASK) ; define i8 @test_i8_shl_lshr_0(i8 %a0) { ; X86-LABEL: test_i8_shl_lshr_0: ; X86: # %bb.0: ; X86-NEXT: movb {{[0-9]+}}(%esp), %al ; X86-NEXT: andb $-8, %al ; X86-NEXT: retl ; ; X64-LABEL: test_i8_shl_lshr_0: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: andb $-8, %al ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %1 = lshr i8 %a0, 3 %2 = shl i8 %1, 3 ret i8 %2 } define i8 @test_i8_shl_lshr_1(i8 %a0) { ; X86-LABEL: test_i8_shl_lshr_1: ; X86: # %bb.0: ; X86-NEXT: movb {{[0-9]+}}(%esp), %al ; X86-NEXT: shlb $2, %al ; X86-NEXT: andb $-32, %al ; X86-NEXT: retl ; ; X64-MASK-LABEL: test_i8_shl_lshr_1: ; X64-MASK: # %bb.0: ; X64-MASK-NEXT: # kill: def $edi killed $edi def $rdi ; X64-MASK-NEXT: leal (,%rdi,4), %eax ; X64-MASK-NEXT: andb $-32, %al ; X64-MASK-NEXT: # kill: def $al killed $al killed $eax ; X64-MASK-NEXT: retq ; ; X64-SHIFT-LABEL: test_i8_shl_lshr_1: ; X64-SHIFT: # %bb.0: ; X64-SHIFT-NEXT: movl %edi, %eax ; X64-SHIFT-NEXT: shrb $3, %al ; X64-SHIFT-NEXT: shlb $5, %al ; X64-SHIFT-NEXT: # kill: def $al killed $al killed $eax ; X64-SHIFT-NEXT: retq %1 = lshr i8 %a0, 3 %2 = shl i8 %1, 5 ret i8 %2 } define i8 @test_i8_shl_lshr_2(i8 %a0) { ; X86-LABEL: test_i8_shl_lshr_2: ; X86: # %bb.0: ; X86-NEXT: movb {{[0-9]+}}(%esp), %al ; X86-NEXT: shrb $2, %al ; X86-NEXT: andb $56, %al ; X86-NEXT: retl ; ; X64-MASK-LABEL: test_i8_shl_lshr_2: ; X64-MASK: # %bb.0: ; X64-MASK-NEXT: movl %edi, %eax ; X64-MASK-NEXT: shrb $2, %al ; X64-MASK-NEXT: andb $56, %al ; X64-MASK-NEXT: # kill: def $al killed $al killed $eax ; X64-MASK-NEXT: retq ; ; X64-SHIFT-LABEL: test_i8_shl_lshr_2: ; X64-SHIFT: # %bb.0: ; X64-SHIFT-NEXT: # kill: def $edi killed $edi def $rdi ; X64-SHIFT-NEXT: shrb $5, %dil ; X64-SHIFT-NEXT: leal (,%rdi,8), %eax ; X64-SHIFT-NEXT: # kill: def $al killed $al killed $eax ; X64-SHIFT-NEXT: retq %1 = lshr i8 %a0, 5 %2 = shl i8 %1, 3 ret i8 %2 } define i16 @test_i16_shl_lshr_0(i16 %a0) { ; X86-LABEL: test_i16_shl_lshr_0: ; X86: # %bb.0: ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; X86-NEXT: andl $-8, %eax ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: test_i16_shl_lshr_0: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: andl $65528, %eax # imm = 0xFFF8 ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %1 = lshr i16 %a0, 3 %2 = shl i16 %1, 3 ret i16 %2 } define i16 @test_i16_shl_lshr_1(i16 %a0) { ; X86-LABEL: test_i16_shl_lshr_1: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shll $2, %eax ; X86-NEXT: andl $65504, %eax # imm = 0xFFE0 ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-MASK-LABEL: test_i16_shl_lshr_1: ; X64-MASK: # %bb.0: ; X64-MASK-NEXT: # kill: def $edi killed $edi def $rdi ; X64-MASK-NEXT: leal (,%rdi,4), %eax ; X64-MASK-NEXT: andl $65504, %eax # imm = 0xFFE0 ; X64-MASK-NEXT: # kill: def $ax killed $ax killed $eax ; X64-MASK-NEXT: retq ; ; X64-SHIFT-LABEL: test_i16_shl_lshr_1: ; X64-SHIFT: # %bb.0: ; X64-SHIFT-NEXT: movzwl %di, %eax ; X64-SHIFT-NEXT: shrl $3, %eax ; X64-SHIFT-NEXT: shll $5, %eax ; X64-SHIFT-NEXT: # kill: def $ax killed $ax killed $eax ; X64-SHIFT-NEXT: retq %1 = lshr i16 %a0, 3 %2 = shl i16 %1, 5 ret i16 %2 } define i16 @test_i16_shl_lshr_2(i16 %a0) { ; X86-LABEL: test_i16_shl_lshr_2: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shrl $2, %eax ; X86-NEXT: andl $16376, %eax # imm = 0x3FF8 ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-MASK-LABEL: test_i16_shl_lshr_2: ; X64-MASK: # %bb.0: ; X64-MASK-NEXT: movl %edi, %eax ; X64-MASK-NEXT: shrl $2, %eax ; X64-MASK-NEXT: andl $16376, %eax # imm = 0x3FF8 ; X64-MASK-NEXT: # kill: def $ax killed $ax killed $eax ; X64-MASK-NEXT: retq ; ; X64-SHIFT-LABEL: test_i16_shl_lshr_2: ; X64-SHIFT: # %bb.0: ; X64-SHIFT-NEXT: movzwl %di, %eax ; X64-SHIFT-NEXT: shrl $5, %eax ; X64-SHIFT-NEXT: shll $3, %eax ; X64-SHIFT-NEXT: # kill: def $ax killed $ax killed $eax ; X64-SHIFT-NEXT: retq %1 = lshr i16 %a0, 5 %2 = shl i16 %1, 3 ret i16 %2 } define i32 @test_i32_shl_lshr_0(i32 %a0) { ; X86-LABEL: test_i32_shl_lshr_0: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: andl $-8, %eax ; X86-NEXT: retl ; ; X64-LABEL: test_i32_shl_lshr_0: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: andl $-8, %eax ; X64-NEXT: retq %1 = lshr i32 %a0, 3 %2 = shl i32 %1, 3 ret i32 %2 } define i32 @test_i32_shl_lshr_1(i32 %a0) { ; X86-LABEL: test_i32_shl_lshr_1: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shll $2, %eax ; X86-NEXT: andl $-32, %eax ; X86-NEXT: retl ; ; X64-MASK-LABEL: test_i32_shl_lshr_1: ; X64-MASK: # %bb.0: ; X64-MASK-NEXT: # kill: def $edi killed $edi def $rdi ; X64-MASK-NEXT: leal (,%rdi,4), %eax ; X64-MASK-NEXT: andl $-32, %eax ; X64-MASK-NEXT: retq ; ; X64-SHIFT-LABEL: test_i32_shl_lshr_1: ; X64-SHIFT: # %bb.0: ; X64-SHIFT-NEXT: movl %edi, %eax ; X64-SHIFT-NEXT: shrl $3, %eax ; X64-SHIFT-NEXT: shll $5, %eax ; X64-SHIFT-NEXT: retq %1 = lshr i32 %a0, 3 %2 = shl i32 %1, 5 ret i32 %2 } define i32 @test_i32_shl_lshr_2(i32 %a0) { ; X86-LABEL: test_i32_shl_lshr_2: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shrl $2, %eax ; X86-NEXT: andl $-8, %eax ; X86-NEXT: retl ; ; X64-MASK-LABEL: test_i32_shl_lshr_2: ; X64-MASK: # %bb.0: ; X64-MASK-NEXT: movl %edi, %eax ; X64-MASK-NEXT: shrl $2, %eax ; X64-MASK-NEXT: andl $-8, %eax ; X64-MASK-NEXT: retq ; ; X64-SHIFT-LABEL: test_i32_shl_lshr_2: ; X64-SHIFT: # %bb.0: ; X64-SHIFT-NEXT: # kill: def $edi killed $edi def $rdi ; X64-SHIFT-NEXT: shrl $5, %edi ; X64-SHIFT-NEXT: leal (,%rdi,8), %eax ; X64-SHIFT-NEXT: retq %1 = lshr i32 %a0, 5 %2 = shl i32 %1, 3 ret i32 %2 } define i64 @test_i64_shl_lshr_0(i64 %a0) { ; X86-LABEL: test_i64_shl_lshr_0: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: andl $-8, %eax ; X86-NEXT: retl ; ; X64-LABEL: test_i64_shl_lshr_0: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: andq $-8, %rax ; X64-NEXT: retq %1 = lshr i64 %a0, 3 %2 = shl i64 %1, 3 ret i64 %2 } define i64 @test_i64_shl_lshr_1(i64 %a0) { ; X86-LABEL: test_i64_shl_lshr_1: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: leal (,%ecx,4), %eax ; X86-NEXT: andl $-32, %eax ; X86-NEXT: shldl $2, %ecx, %edx ; X86-NEXT: retl ; ; X64-MASK-LABEL: test_i64_shl_lshr_1: ; X64-MASK: # %bb.0: ; X64-MASK-NEXT: leaq (,%rdi,4), %rax ; X64-MASK-NEXT: andq $-32, %rax ; X64-MASK-NEXT: retq ; ; X64-SHIFT-LABEL: test_i64_shl_lshr_1: ; X64-SHIFT: # %bb.0: ; X64-SHIFT-NEXT: movq %rdi, %rax ; X64-SHIFT-NEXT: shrq $3, %rax ; X64-SHIFT-NEXT: shlq $5, %rax ; X64-SHIFT-NEXT: retq %1 = lshr i64 %a0, 3 %2 = shl i64 %1, 5 ret i64 %2 } define i64 @test_i64_shl_lshr_2(i64 %a0) { ; X86-LABEL: test_i64_shl_lshr_2: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: shrdl $2, %edx, %eax ; X86-NEXT: andl $-8, %eax ; X86-NEXT: shrl $2, %edx ; X86-NEXT: retl ; ; X64-MASK-LABEL: test_i64_shl_lshr_2: ; X64-MASK: # %bb.0: ; X64-MASK-NEXT: movq %rdi, %rax ; X64-MASK-NEXT: shrq $2, %rax ; X64-MASK-NEXT: andq $-8, %rax ; X64-MASK-NEXT: retq ; ; X64-SHIFT-LABEL: test_i64_shl_lshr_2: ; X64-SHIFT: # %bb.0: ; X64-SHIFT-NEXT: shrq $5, %rdi ; X64-SHIFT-NEXT: leaq (,%rdi,8), %rax ; X64-SHIFT-NEXT: retq %1 = lshr i64 %a0, 5 %2 = shl i64 %1, 3 ret i64 %2 } ; ; fold (lshr (shl x, c1), c2) -> (0) (and x, MASK) or ; (1) (and (shl x, (sub c1, c2), MASK) or ; (2) (and (lshr x, (sub c2, c1), MASK) ; define i8 @test_i8_lshr_lshr_0(i8 %a0) { ; X86-LABEL: test_i8_lshr_lshr_0: ; X86: # %bb.0: ; X86-NEXT: movb {{[0-9]+}}(%esp), %al ; X86-NEXT: andb $31, %al ; X86-NEXT: retl ; ; X64-LABEL: test_i8_lshr_lshr_0: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: andb $31, %al ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %1 = shl i8 %a0, 3 %2 = lshr i8 %1, 3 ret i8 %2 } define i8 @test_i8_lshr_lshr_1(i8 %a0) { ; X86-LABEL: test_i8_lshr_lshr_1: ; X86: # %bb.0: ; X86-NEXT: movb {{[0-9]+}}(%esp), %al ; X86-NEXT: shlb $3, %al ; X86-NEXT: shrb $5, %al ; X86-NEXT: retl ; ; X64-LABEL: test_i8_lshr_lshr_1: ; X64: # %bb.0: ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: leal (,%rdi,8), %eax ; X64-NEXT: shrb $5, %al ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %1 = shl i8 %a0, 3 %2 = lshr i8 %1, 5 ret i8 %2 } define i8 @test_i8_lshr_lshr_2(i8 %a0) { ; X86-LABEL: test_i8_lshr_lshr_2: ; X86: # %bb.0: ; X86-NEXT: movb {{[0-9]+}}(%esp), %al ; X86-NEXT: shlb $5, %al ; X86-NEXT: shrb $3, %al ; X86-NEXT: retl ; ; X64-LABEL: test_i8_lshr_lshr_2: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shlb $5, %al ; X64-NEXT: shrb $3, %al ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %1 = shl i8 %a0, 5 %2 = lshr i8 %1, 3 ret i8 %2 } define i16 @test_i16_lshr_lshr_0(i16 %a0) { ; X86-LABEL: test_i16_lshr_lshr_0: ; X86: # %bb.0: ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; X86-NEXT: andl $8191, %eax # imm = 0x1FFF ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: test_i16_lshr_lshr_0: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: andl $8191, %eax # imm = 0x1FFF ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %1 = shl i16 %a0, 3 %2 = lshr i16 %1, 3 ret i16 %2 } define i16 @test_i16_lshr_lshr_1(i16 %a0) { ; X86-LABEL: test_i16_lshr_lshr_1: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shrl $2, %eax ; X86-NEXT: andl $2047, %eax # imm = 0x7FF ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-MASK-LABEL: test_i16_lshr_lshr_1: ; X64-MASK: # %bb.0: ; X64-MASK-NEXT: movl %edi, %eax ; X64-MASK-NEXT: shrl $2, %eax ; X64-MASK-NEXT: andl $2047, %eax # imm = 0x7FF ; X64-MASK-NEXT: # kill: def $ax killed $ax killed $eax ; X64-MASK-NEXT: retq ; ; X64-SHIFT2-LABEL: test_i16_lshr_lshr_1: ; X64-SHIFT2: # %bb.0: ; X64-SHIFT2-NEXT: movl %edi, %eax ; X64-SHIFT2-NEXT: shrl $2, %eax ; X64-SHIFT2-NEXT: andl $2047, %eax # imm = 0x7FF ; X64-SHIFT2-NEXT: # kill: def $ax killed $ax killed $eax ; X64-SHIFT2-NEXT: retq ; ; X64-TBM-LABEL: test_i16_lshr_lshr_1: ; X64-TBM: # %bb.0: ; X64-TBM-NEXT: bextrl $2818, %edi, %eax # imm = 0xB02 ; X64-TBM-NEXT: # kill: def $ax killed $ax killed $eax ; X64-TBM-NEXT: retq ; ; X64-BMI-LABEL: test_i16_lshr_lshr_1: ; X64-BMI: # %bb.0: ; X64-BMI-NEXT: movl $2818, %eax # imm = 0xB02 ; X64-BMI-NEXT: bextrl %eax, %edi, %eax ; X64-BMI-NEXT: # kill: def $ax killed $ax killed $eax ; X64-BMI-NEXT: retq %1 = shl i16 %a0, 3 %2 = lshr i16 %1, 5 ret i16 %2 } define i16 @test_i16_lshr_lshr_2(i16 %a0) { ; X86-LABEL: test_i16_lshr_lshr_2: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shll $2, %eax ; X86-NEXT: andl $8188, %eax # imm = 0x1FFC ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: test_i16_lshr_lshr_2: ; X64: # %bb.0: ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: leal (,%rdi,4), %eax ; X64-NEXT: andl $8188, %eax # imm = 0x1FFC ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %1 = shl i16 %a0, 5 %2 = lshr i16 %1, 3 ret i16 %2 } define i32 @test_i32_lshr_lshr_0(i32 %a0) { ; X86-LABEL: test_i32_lshr_lshr_0: ; X86: # %bb.0: ; X86-NEXT: movl $536870911, %eax # imm = 0x1FFFFFFF ; X86-NEXT: andl {{[0-9]+}}(%esp), %eax ; X86-NEXT: retl ; ; X64-LABEL: test_i32_lshr_lshr_0: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: andl $536870911, %eax # imm = 0x1FFFFFFF ; X64-NEXT: retq %1 = shl i32 %a0, 3 %2 = lshr i32 %1, 3 ret i32 %2 } define i32 @test_i32_lshr_lshr_1(i32 %a0) { ; X86-LABEL: test_i32_lshr_lshr_1: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shll $3, %eax ; X86-NEXT: shrl $5, %eax ; X86-NEXT: retl ; ; X64-LABEL: test_i32_lshr_lshr_1: ; X64: # %bb.0: ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: leal (,%rdi,8), %eax ; X64-NEXT: shrl $5, %eax ; X64-NEXT: retq %1 = shl i32 %a0, 3 %2 = lshr i32 %1, 5 ret i32 %2 } define i32 @test_i32_lshr_lshr_2(i32 %a0) { ; X86-LABEL: test_i32_lshr_lshr_2: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shll $5, %eax ; X86-NEXT: shrl $3, %eax ; X86-NEXT: retl ; ; X64-LABEL: test_i32_lshr_lshr_2: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $5, %eax ; X64-NEXT: shrl $3, %eax ; X64-NEXT: retq %1 = shl i32 %a0, 5 %2 = lshr i32 %1, 3 ret i32 %2 } define i64 @test_i64_lshr_lshr_0(i64 %a0) { ; X86-LABEL: test_i64_lshr_lshr_0: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl $536870911, %edx # imm = 0x1FFFFFFF ; X86-NEXT: andl {{[0-9]+}}(%esp), %edx ; X86-NEXT: retl ; ; X64-MASK-LABEL: test_i64_lshr_lshr_0: ; X64-MASK: # %bb.0: ; X64-MASK-NEXT: movabsq $2305843009213693951, %rax # imm = 0x1FFFFFFFFFFFFFFF ; X64-MASK-NEXT: andq %rdi, %rax ; X64-MASK-NEXT: retq ; ; X64-SHIFT2-LABEL: test_i64_lshr_lshr_0: ; X64-SHIFT2: # %bb.0: ; X64-SHIFT2-NEXT: movabsq $2305843009213693951, %rax # imm = 0x1FFFFFFFFFFFFFFF ; X64-SHIFT2-NEXT: andq %rdi, %rax ; X64-SHIFT2-NEXT: retq ; ; X64-TBM-LABEL: test_i64_lshr_lshr_0: ; X64-TBM: # %bb.0: ; X64-TBM-NEXT: bextrq $15616, %rdi, %rax # imm = 0x3D00 ; X64-TBM-NEXT: retq ; ; X64-BMI1-LABEL: test_i64_lshr_lshr_0: ; X64-BMI1: # %bb.0: ; X64-BMI1-NEXT: movl $15616, %eax # imm = 0x3D00 ; X64-BMI1-NEXT: bextrq %rax, %rdi, %rax ; X64-BMI1-NEXT: retq ; ; X64-BMI2-LABEL: test_i64_lshr_lshr_0: ; X64-BMI2: # %bb.0: ; X64-BMI2-NEXT: movb $61, %al ; X64-BMI2-NEXT: bzhiq %rax, %rdi, %rax ; X64-BMI2-NEXT: retq %1 = shl i64 %a0, 3 %2 = lshr i64 %1, 3 ret i64 %2 } define i64 @test_i64_lshr_lshr_1(i64 %a0) { ; X86-LABEL: test_i64_lshr_lshr_1: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: shldl $3, %eax, %edx ; X86-NEXT: shll $3, %eax ; X86-NEXT: shrdl $5, %edx, %eax ; X86-NEXT: shrl $5, %edx ; X86-NEXT: retl ; ; X64-LABEL: test_i64_lshr_lshr_1: ; X64: # %bb.0: ; X64-NEXT: leaq (,%rdi,8), %rax ; X64-NEXT: shrq $5, %rax ; X64-NEXT: retq %1 = shl i64 %a0, 3 %2 = lshr i64 %1, 5 ret i64 %2 } define i64 @test_i64_lshr_lshr_2(i64 %a0) { ; X86-LABEL: test_i64_lshr_lshr_2: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: shldl $5, %eax, %edx ; X86-NEXT: shll $5, %eax ; X86-NEXT: shrdl $3, %edx, %eax ; X86-NEXT: shrl $3, %edx ; X86-NEXT: retl ; ; X64-LABEL: test_i64_lshr_lshr_2: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: shlq $5, %rax ; X64-NEXT: shrq $3, %rax ; X64-NEXT: retq %1 = shl i64 %a0, 5 %2 = lshr i64 %1, 3 ret i64 %2 }