; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefixes=X86,X86-FAST ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+slow-shld | FileCheck %s --check-prefixes=X86,X86-SLOW ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=X64,X64-FAST ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+slow-shld | FileCheck %s --check-prefixes=X64,X64-SLOW declare i8 @llvm.fshl.i8(i8, i8, i8) nounwind readnone declare i16 @llvm.fshl.i16(i16, i16, i16) nounwind readnone declare i32 @llvm.fshl.i32(i32, i32, i32) nounwind readnone declare i64 @llvm.fshl.i64(i64, i64, i64) nounwind readnone ; ; Variable Funnel Shift ; define i8 @var_shift_i8(i8 %x, i8 %y, i8 %z) nounwind { ; X86-LABEL: var_shift_i8: ; X86: # %bb.0: ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shll $8, %eax ; X86-NEXT: orl %edx, %eax ; X86-NEXT: andb $7, %cl ; X86-NEXT: shll %cl, %eax ; X86-NEXT: movb %ah, %al ; X86-NEXT: retl ; ; X64-LABEL: var_shift_i8: ; X64: # %bb.0: ; X64-NEXT: movl %edx, %ecx ; X64-NEXT: shll $8, %edi ; X64-NEXT: movzbl %sil, %eax ; X64-NEXT: orl %edi, %eax ; X64-NEXT: andb $7, %cl ; X64-NEXT: # kill: def $cl killed $cl killed $ecx ; X64-NEXT: shll %cl, %eax ; X64-NEXT: shrl $8, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %tmp = tail call i8 @llvm.fshl.i8(i8 %x, i8 %y, i8 %z) ret i8 %tmp } define i16 @var_shift_i16(i16 %x, i16 %y, i16 %z) nounwind { ; X86-FAST-LABEL: var_shift_i16: ; X86-FAST: # %bb.0: ; X86-FAST-NEXT: movzwl {{[0-9]+}}(%esp), %edx ; X86-FAST-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; X86-FAST-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-FAST-NEXT: andb $15, %cl ; X86-FAST-NEXT: shldw %cl, %dx, %ax ; X86-FAST-NEXT: retl ; ; X86-SLOW-LABEL: var_shift_i16: ; X86-SLOW: # %bb.0: ; X86-SLOW-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-SLOW-NEXT: movzwl {{[0-9]+}}(%esp), %edx ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-SLOW-NEXT: shll $16, %eax ; X86-SLOW-NEXT: orl %edx, %eax ; X86-SLOW-NEXT: andb $15, %cl ; X86-SLOW-NEXT: shll %cl, %eax ; X86-SLOW-NEXT: shrl $16, %eax ; X86-SLOW-NEXT: # kill: def $ax killed $ax killed $eax ; X86-SLOW-NEXT: retl ; ; X64-FAST-LABEL: var_shift_i16: ; X64-FAST: # %bb.0: ; X64-FAST-NEXT: movl %edx, %ecx ; X64-FAST-NEXT: movl %edi, %eax ; X64-FAST-NEXT: andb $15, %cl ; X64-FAST-NEXT: # kill: def $cl killed $cl killed $ecx ; X64-FAST-NEXT: shldw %cl, %si, %ax ; X64-FAST-NEXT: # kill: def $ax killed $ax killed $eax ; X64-FAST-NEXT: retq ; ; X64-SLOW-LABEL: var_shift_i16: ; X64-SLOW: # %bb.0: ; X64-SLOW-NEXT: movl %edx, %ecx ; X64-SLOW-NEXT: shll $16, %edi ; X64-SLOW-NEXT: movzwl %si, %eax ; X64-SLOW-NEXT: orl %edi, %eax ; X64-SLOW-NEXT: andb $15, %cl ; X64-SLOW-NEXT: # kill: def $cl killed $cl killed $ecx ; X64-SLOW-NEXT: shll %cl, %eax ; X64-SLOW-NEXT: shrl $16, %eax ; X64-SLOW-NEXT: # kill: def $ax killed $ax killed $eax ; X64-SLOW-NEXT: retq %tmp = tail call i16 @llvm.fshl.i16(i16 %x, i16 %y, i16 %z) ret i16 %tmp } define i32 @var_shift_i32(i32 %x, i32 %y, i32 %z) nounwind { ; X86-FAST-LABEL: var_shift_i32: ; X86-FAST: # %bb.0: ; X86-FAST-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-FAST-NEXT: shldl %cl, %edx, %eax ; X86-FAST-NEXT: retl ; ; X86-SLOW-LABEL: var_shift_i32: ; X86-SLOW: # %bb.0: ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-SLOW-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-SLOW-NEXT: shll %cl, %edx ; X86-SLOW-NEXT: notb %cl ; X86-SLOW-NEXT: shrl %eax ; X86-SLOW-NEXT: shrl %cl, %eax ; X86-SLOW-NEXT: orl %edx, %eax ; X86-SLOW-NEXT: retl ; ; X64-FAST-LABEL: var_shift_i32: ; X64-FAST: # %bb.0: ; X64-FAST-NEXT: movl %edx, %ecx ; X64-FAST-NEXT: movl %edi, %eax ; X64-FAST-NEXT: # kill: def $cl killed $cl killed $ecx ; X64-FAST-NEXT: shldl %cl, %esi, %eax ; X64-FAST-NEXT: retq ; ; X64-SLOW-LABEL: var_shift_i32: ; X64-SLOW: # %bb.0: ; X64-SLOW-NEXT: movl %edx, %ecx ; X64-SLOW-NEXT: movl %esi, %eax ; X64-SLOW-NEXT: shll %cl, %edi ; X64-SLOW-NEXT: shrl %eax ; X64-SLOW-NEXT: notb %cl ; X64-SLOW-NEXT: # kill: def $cl killed $cl killed $ecx ; X64-SLOW-NEXT: shrl %cl, %eax ; X64-SLOW-NEXT: orl %edi, %eax ; X64-SLOW-NEXT: retq %tmp = tail call i32 @llvm.fshl.i32(i32 %x, i32 %y, i32 %z) ret i32 %tmp } define i32 @var_shift_i32_optsize(i32 %x, i32 %y, i32 %z) nounwind optsize { ; X86-LABEL: var_shift_i32_optsize: ; X86: # %bb.0: ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shldl %cl, %edx, %eax ; X86-NEXT: retl ; ; X64-LABEL: var_shift_i32_optsize: ; X64: # %bb.0: ; X64-NEXT: movl %edx, %ecx ; X64-NEXT: movl %edi, %eax ; X64-NEXT: # kill: def $cl killed $cl killed $ecx ; X64-NEXT: shldl %cl, %esi, %eax ; X64-NEXT: retq %tmp = tail call i32 @llvm.fshl.i32(i32 %x, i32 %y, i32 %z) ret i32 %tmp } define i32 @var_shift_i32_pgso(i32 %x, i32 %y, i32 %z) nounwind !prof !14 { ; X86-LABEL: var_shift_i32_pgso: ; X86: # %bb.0: ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shldl %cl, %edx, %eax ; X86-NEXT: retl ; ; X64-LABEL: var_shift_i32_pgso: ; X64: # %bb.0: ; X64-NEXT: movl %edx, %ecx ; X64-NEXT: movl %edi, %eax ; X64-NEXT: # kill: def $cl killed $cl killed $ecx ; X64-NEXT: shldl %cl, %esi, %eax ; X64-NEXT: retq %tmp = tail call i32 @llvm.fshl.i32(i32 %x, i32 %y, i32 %z) ret i32 %tmp } define i64 @var_shift_i64(i64 %x, i64 %y, i64 %z) nounwind { ; X86-FAST-LABEL: var_shift_i64: ; X86-FAST: # %bb.0: ; X86-FAST-NEXT: pushl %ebx ; X86-FAST-NEXT: pushl %edi ; X86-FAST-NEXT: pushl %esi ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ebx ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %esi ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edi ; X86-FAST-NEXT: movb {{[0-9]+}}(%esp), %ch ; X86-FAST-NEXT: movb %ch, %cl ; X86-FAST-NEXT: notb %cl ; X86-FAST-NEXT: shrdl $1, %edi, %esi ; X86-FAST-NEXT: shrl %edi ; X86-FAST-NEXT: shrdl %cl, %edi, %esi ; X86-FAST-NEXT: shrl %cl, %edi ; X86-FAST-NEXT: testb $32, %cl ; X86-FAST-NEXT: je .LBB5_2 ; X86-FAST-NEXT: # %bb.1: ; X86-FAST-NEXT: movl %edi, %esi ; X86-FAST-NEXT: xorl %edi, %edi ; X86-FAST-NEXT: .LBB5_2: ; X86-FAST-NEXT: movl %ebx, %eax ; X86-FAST-NEXT: movb %ch, %cl ; X86-FAST-NEXT: shll %cl, %eax ; X86-FAST-NEXT: shldl %cl, %ebx, %edx ; X86-FAST-NEXT: testb $32, %ch ; X86-FAST-NEXT: je .LBB5_4 ; X86-FAST-NEXT: # %bb.3: ; X86-FAST-NEXT: movl %eax, %edx ; X86-FAST-NEXT: xorl %eax, %eax ; X86-FAST-NEXT: .LBB5_4: ; X86-FAST-NEXT: orl %edi, %edx ; X86-FAST-NEXT: orl %esi, %eax ; X86-FAST-NEXT: popl %esi ; X86-FAST-NEXT: popl %edi ; X86-FAST-NEXT: popl %ebx ; X86-FAST-NEXT: retl ; ; X86-SLOW-LABEL: var_shift_i64: ; X86-SLOW: # %bb.0: ; X86-SLOW-NEXT: pushl %ebp ; X86-SLOW-NEXT: pushl %ebx ; X86-SLOW-NEXT: pushl %edi ; X86-SLOW-NEXT: pushl %esi ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ebx ; X86-SLOW-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %esi ; X86-SLOW-NEXT: shrl %eax ; X86-SLOW-NEXT: movl %esi, %edi ; X86-SLOW-NEXT: shll $31, %edi ; X86-SLOW-NEXT: orl %eax, %edi ; X86-SLOW-NEXT: movl %ecx, %eax ; X86-SLOW-NEXT: movb %cl, %ch ; X86-SLOW-NEXT: notb %ch ; X86-SLOW-NEXT: movb %ch, %cl ; X86-SLOW-NEXT: shrl %cl, %edi ; X86-SLOW-NEXT: shrl %esi ; X86-SLOW-NEXT: leal (%esi,%esi), %ebp ; X86-SLOW-NEXT: movb %al, %cl ; X86-SLOW-NEXT: shll %cl, %ebp ; X86-SLOW-NEXT: shll %cl, %ebx ; X86-SLOW-NEXT: movl %edx, %eax ; X86-SLOW-NEXT: shrl %eax ; X86-SLOW-NEXT: movb %ch, %cl ; X86-SLOW-NEXT: shrl %cl, %eax ; X86-SLOW-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-SLOW-NEXT: shll %cl, %edx ; X86-SLOW-NEXT: testb $32, {{[0-9]+}}(%esp) ; X86-SLOW-NEXT: jne .LBB5_1 ; X86-SLOW-NEXT: # %bb.2: ; X86-SLOW-NEXT: orl %eax, %ebx ; X86-SLOW-NEXT: jmp .LBB5_3 ; X86-SLOW-NEXT: .LBB5_1: ; X86-SLOW-NEXT: movl %edx, %ebx ; X86-SLOW-NEXT: xorl %edx, %edx ; X86-SLOW-NEXT: .LBB5_3: ; X86-SLOW-NEXT: movb %ch, %cl ; X86-SLOW-NEXT: shrl %cl, %esi ; X86-SLOW-NEXT: testb $32, %ch ; X86-SLOW-NEXT: jne .LBB5_4 ; X86-SLOW-NEXT: # %bb.5: ; X86-SLOW-NEXT: orl %edi, %ebp ; X86-SLOW-NEXT: jmp .LBB5_6 ; X86-SLOW-NEXT: .LBB5_4: ; X86-SLOW-NEXT: movl %esi, %ebp ; X86-SLOW-NEXT: xorl %esi, %esi ; X86-SLOW-NEXT: .LBB5_6: ; X86-SLOW-NEXT: orl %ebp, %edx ; X86-SLOW-NEXT: orl %esi, %ebx ; X86-SLOW-NEXT: movl %edx, %eax ; X86-SLOW-NEXT: movl %ebx, %edx ; X86-SLOW-NEXT: popl %esi ; X86-SLOW-NEXT: popl %edi ; X86-SLOW-NEXT: popl %ebx ; X86-SLOW-NEXT: popl %ebp ; X86-SLOW-NEXT: retl ; ; X64-FAST-LABEL: var_shift_i64: ; X64-FAST: # %bb.0: ; X64-FAST-NEXT: movq %rdx, %rcx ; X64-FAST-NEXT: movq %rdi, %rax ; X64-FAST-NEXT: # kill: def $cl killed $cl killed $rcx ; X64-FAST-NEXT: shldq %cl, %rsi, %rax ; X64-FAST-NEXT: retq ; ; X64-SLOW-LABEL: var_shift_i64: ; X64-SLOW: # %bb.0: ; X64-SLOW-NEXT: movq %rdx, %rcx ; X64-SLOW-NEXT: movq %rsi, %rax ; X64-SLOW-NEXT: shlq %cl, %rdi ; X64-SLOW-NEXT: shrq %rax ; X64-SLOW-NEXT: notb %cl ; X64-SLOW-NEXT: # kill: def $cl killed $cl killed $rcx ; X64-SLOW-NEXT: shrq %cl, %rax ; X64-SLOW-NEXT: orq %rdi, %rax ; X64-SLOW-NEXT: retq %tmp = tail call i64 @llvm.fshl.i64(i64 %x, i64 %y, i64 %z) ret i64 %tmp } ; ; Const Funnel Shift ; define i8 @const_shift_i8(i8 %x, i8 %y) nounwind { ; X86-LABEL: const_shift_i8: ; X86: # %bb.0: ; X86-NEXT: movb {{[0-9]+}}(%esp), %al ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-NEXT: shrb %cl ; X86-NEXT: shlb $7, %al ; X86-NEXT: orb %cl, %al ; X86-NEXT: retl ; ; X64-LABEL: const_shift_i8: ; X64: # %bb.0: ; X64-NEXT: # kill: def $esi killed $esi def $rsi ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: shrb %sil ; X64-NEXT: shlb $7, %dil ; X64-NEXT: leal (%rdi,%rsi), %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %tmp = tail call i8 @llvm.fshl.i8(i8 %x, i8 %y, i8 7) ret i8 %tmp } define i16 @const_shift_i16(i16 %x, i16 %y) nounwind { ; X86-FAST-LABEL: const_shift_i16: ; X86-FAST: # %bb.0: ; X86-FAST-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; X86-FAST-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; X86-FAST-NEXT: shldw $7, %cx, %ax ; X86-FAST-NEXT: retl ; ; X86-SLOW-LABEL: const_shift_i16: ; X86-SLOW: # %bb.0: ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-SLOW-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; X86-SLOW-NEXT: shrl $9, %ecx ; X86-SLOW-NEXT: shll $7, %eax ; X86-SLOW-NEXT: orl %ecx, %eax ; X86-SLOW-NEXT: # kill: def $ax killed $ax killed $eax ; X86-SLOW-NEXT: retl ; ; X64-FAST-LABEL: const_shift_i16: ; X64-FAST: # %bb.0: ; X64-FAST-NEXT: movl %edi, %eax ; X64-FAST-NEXT: shldw $7, %si, %ax ; X64-FAST-NEXT: # kill: def $ax killed $ax killed $eax ; X64-FAST-NEXT: retq ; ; X64-SLOW-LABEL: const_shift_i16: ; X64-SLOW: # %bb.0: ; X64-SLOW-NEXT: movzwl %si, %eax ; X64-SLOW-NEXT: shll $7, %edi ; X64-SLOW-NEXT: shrl $9, %eax ; X64-SLOW-NEXT: orl %edi, %eax ; X64-SLOW-NEXT: # kill: def $ax killed $ax killed $eax ; X64-SLOW-NEXT: retq %tmp = tail call i16 @llvm.fshl.i16(i16 %x, i16 %y, i16 7) ret i16 %tmp } define i32 @const_shift_i32(i32 %x, i32 %y) nounwind { ; X86-FAST-LABEL: const_shift_i32: ; X86-FAST: # %bb.0: ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-FAST-NEXT: shldl $7, %ecx, %eax ; X86-FAST-NEXT: retl ; ; X86-SLOW-LABEL: const_shift_i32: ; X86-SLOW: # %bb.0: ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-SLOW-NEXT: shrl $25, %ecx ; X86-SLOW-NEXT: shll $7, %eax ; X86-SLOW-NEXT: orl %ecx, %eax ; X86-SLOW-NEXT: retl ; ; X64-FAST-LABEL: const_shift_i32: ; X64-FAST: # %bb.0: ; X64-FAST-NEXT: movl %edi, %eax ; X64-FAST-NEXT: shldl $7, %esi, %eax ; X64-FAST-NEXT: retq ; ; X64-SLOW-LABEL: const_shift_i32: ; X64-SLOW: # %bb.0: ; X64-SLOW-NEXT: # kill: def $esi killed $esi def $rsi ; X64-SLOW-NEXT: # kill: def $edi killed $edi def $rdi ; X64-SLOW-NEXT: shrl $25, %esi ; X64-SLOW-NEXT: shll $7, %edi ; X64-SLOW-NEXT: leal (%rdi,%rsi), %eax ; X64-SLOW-NEXT: retq %tmp = tail call i32 @llvm.fshl.i32(i32 %x, i32 %y, i32 7) ret i32 %tmp } define i64 @const_shift_i64(i64 %x, i64 %y) nounwind { ; X86-FAST-LABEL: const_shift_i64: ; X86-FAST: # %bb.0: ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-FAST-NEXT: shrdl $25, %ecx, %eax ; X86-FAST-NEXT: shldl $7, %ecx, %edx ; X86-FAST-NEXT: retl ; ; X86-SLOW-LABEL: const_shift_i64: ; X86-SLOW: # %bb.0: ; X86-SLOW-NEXT: pushl %esi ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %esi ; X86-SLOW-NEXT: shrl $25, %esi ; X86-SLOW-NEXT: movl %ecx, %eax ; X86-SLOW-NEXT: shll $7, %eax ; X86-SLOW-NEXT: orl %esi, %eax ; X86-SLOW-NEXT: shrl $25, %ecx ; X86-SLOW-NEXT: shll $7, %edx ; X86-SLOW-NEXT: orl %ecx, %edx ; X86-SLOW-NEXT: popl %esi ; X86-SLOW-NEXT: retl ; ; X64-FAST-LABEL: const_shift_i64: ; X64-FAST: # %bb.0: ; X64-FAST-NEXT: movq %rdi, %rax ; X64-FAST-NEXT: shldq $7, %rsi, %rax ; X64-FAST-NEXT: retq ; ; X64-SLOW-LABEL: const_shift_i64: ; X64-SLOW: # %bb.0: ; X64-SLOW-NEXT: shrq $57, %rsi ; X64-SLOW-NEXT: shlq $7, %rdi ; X64-SLOW-NEXT: leaq (%rdi,%rsi), %rax ; X64-SLOW-NEXT: retq %tmp = tail call i64 @llvm.fshl.i64(i64 %x, i64 %y, i64 7) ret i64 %tmp } ; ; Combine Consecutive Loads ; define i8 @combine_fshl_load_i8(i8* %p) nounwind { ; X86-LABEL: combine_fshl_load_i8: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movb 1(%eax), %al ; X86-NEXT: retl ; ; X64-LABEL: combine_fshl_load_i8: ; X64: # %bb.0: ; X64-NEXT: movb 1(%rdi), %al ; X64-NEXT: retq %p1 = getelementptr i8, i8* %p, i32 1 %ld0 = load i8, i8 *%p %ld1 = load i8, i8 *%p1 %res = call i8 @llvm.fshl.i8(i8 %ld1, i8 %ld0, i8 8) ret i8 %res } define i16 @combine_fshl_load_i16(i16* %p) nounwind { ; X86-LABEL: combine_fshl_load_i16: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movzwl 1(%eax), %eax ; X86-NEXT: retl ; ; X64-LABEL: combine_fshl_load_i16: ; X64: # %bb.0: ; X64-NEXT: movzwl 1(%rdi), %eax ; X64-NEXT: retq %p0 = getelementptr i16, i16* %p, i32 0 %p1 = getelementptr i16, i16* %p, i32 1 %ld0 = load i16, i16 *%p0 %ld1 = load i16, i16 *%p1 %res = call i16 @llvm.fshl.i16(i16 %ld1, i16 %ld0, i16 8) ret i16 %res } define i32 @combine_fshl_load_i32(i32* %p) nounwind { ; X86-LABEL: combine_fshl_load_i32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl 11(%eax), %eax ; X86-NEXT: retl ; ; X64-LABEL: combine_fshl_load_i32: ; X64: # %bb.0: ; X64-NEXT: movl 11(%rdi), %eax ; X64-NEXT: retq %p0 = getelementptr i32, i32* %p, i32 2 %p1 = getelementptr i32, i32* %p, i32 3 %ld0 = load i32, i32 *%p0 %ld1 = load i32, i32 *%p1 %res = call i32 @llvm.fshl.i32(i32 %ld1, i32 %ld0, i32 8) ret i32 %res } define i64 @combine_fshl_load_i64(i64* %p) nounwind { ; X86-LABEL: combine_fshl_load_i64: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl 13(%ecx), %eax ; X86-NEXT: movl 17(%ecx), %edx ; X86-NEXT: retl ; ; X64-LABEL: combine_fshl_load_i64: ; X64: # %bb.0: ; X64-NEXT: movq 13(%rdi), %rax ; X64-NEXT: retq %p0 = getelementptr i64, i64* %p, i64 1 %p1 = getelementptr i64, i64* %p, i64 2 %ld0 = load i64, i64 *%p0 %ld1 = load i64, i64 *%p1 %res = call i64 @llvm.fshl.i64(i64 %ld1, i64 %ld0, i64 24) ret i64 %res } !llvm.module.flags = !{!0} !0 = !{i32 1, !"ProfileSummary", !1} !1 = !{!2, !3, !4, !5, !6, !7, !8, !9} !2 = !{!"ProfileFormat", !"InstrProf"} !3 = !{!"TotalCount", i64 10000} !4 = !{!"MaxCount", i64 10} !5 = !{!"MaxInternalCount", i64 1} !6 = !{!"MaxFunctionCount", i64 1000} !7 = !{!"NumCounts", i64 3} !8 = !{!"NumFunctions", i64 3} !9 = !{!"DetailedSummary", !10} !10 = !{!11, !12, !13} !11 = !{i32 10000, i64 100, i32 1} !12 = !{i32 999000, i64 100, i32 1} !13 = !{i32 999999, i64 1, i32 2} !14 = !{!"function_entry_count", i64 0}