; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=x86-64 | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=bdver1 | FileCheck %s --check-prefix=CHECK --check-prefix=BDVER12 --check-prefix=BDVER1
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=bdver2 | FileCheck %s --check-prefix=CHECK --check-prefix=BDVER12 --check-prefix=BDVER2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=btver2 | FileCheck %s --check-prefix=CHECK --check-prefix=BTVER2
; uint64_t lshift10(uint64_t a, uint64_t b)
; {
; return (a << 10) | (b >> 54);
; }
define i64 @lshift10_optsize(i64 %a, i64 %b) nounwind readnone optsize {
; GENERIC-LABEL: lshift10_optsize:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: movq %rdi, %rax # sched: [1:0.33]
; GENERIC-NEXT: shldq $10, %rsi, %rax # sched: [2:0.67]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: lshift10_optsize:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: movq %rdi, %rax # sched: [1:0.50]
; BDVER12-NEXT: shldq $10, %rsi, %rax # sched: [4:3.00]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: lshift10_optsize:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: movq %rdi, %rax # sched: [1:0.50]
; BTVER2-NEXT: shldq $10, %rsi, %rax # sched: [3:3.00]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%shl = shl i64 %a, 10
%shr = lshr i64 %b, 54
%or = or i64 %shr, %shl
ret i64 %or
}
define i64 @lshift10(i64 %a, i64 %b) nounwind readnone {
; GENERIC-LABEL: lshift10:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: movq %rdi, %rax # sched: [1:0.33]
; GENERIC-NEXT: shldq $10, %rsi, %rax # sched: [2:0.67]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: lshift10:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: shlq $10, %rdi # sched: [1:0.50]
; BDVER12-NEXT: shrq $54, %rsi # sched: [1:0.50]
; BDVER12-NEXT: leaq (%rsi,%rdi), %rax # sched: [1:0.50]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: lshift10:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: shlq $10, %rdi # sched: [1:0.50]
; BTVER2-NEXT: shrq $54, %rsi # sched: [1:0.50]
; BTVER2-NEXT: leaq (%rsi,%rdi), %rax # sched: [1:0.50]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%shl = shl i64 %a, 10
%shr = lshr i64 %b, 54
%or = or i64 %shr, %shl
ret i64 %or
}
; uint64_t rshift10(uint64_t a, uint64_t b)
; {
; return (a >> 62) | (b << 2);
; }
; Should be done via shld
define i64 @rshift10_optsize(i64 %a, i64 %b) nounwind readnone optsize {
; GENERIC-LABEL: rshift10_optsize:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: movq %rdi, %rax # sched: [1:0.33]
; GENERIC-NEXT: shrdq $62, %rsi, %rax # sched: [2:0.67]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: rshift10_optsize:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: movq %rdi, %rax # sched: [1:0.50]
; BDVER12-NEXT: shrdq $62, %rsi, %rax # sched: [4:3.00]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: rshift10_optsize:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: movq %rdi, %rax # sched: [1:0.50]
; BTVER2-NEXT: shrdq $62, %rsi, %rax # sched: [3:3.00]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%shl = lshr i64 %a, 62
%shr = shl i64 %b, 2
%or = or i64 %shr, %shl
ret i64 %or
}
; Should be done via lea (x,y,4),z
define i64 @rshift10(i64 %a, i64 %b) nounwind readnone {
; GENERIC-LABEL: rshift10:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: movq %rdi, %rax # sched: [1:0.33]
; GENERIC-NEXT: shrdq $62, %rsi, %rax # sched: [2:0.67]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: rshift10:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: shrq $62, %rdi # sched: [1:0.50]
; BDVER12-NEXT: leaq (%rdi,%rsi,4), %rax # sched: [1:0.50]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: rshift10:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: shrq $62, %rdi # sched: [1:0.50]
; BTVER2-NEXT: leaq (%rdi,%rsi,4), %rax # sched: [2:1.00]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%shl = lshr i64 %a, 62
%shr = shl i64 %b, 2
%or = or i64 %shr, %shl
ret i64 %or
}
;uint64_t lshift(uint64_t a, uint64_t b, uint64_t c)
;{
; return (a << c) | (b >> (64-c));
;}
define i64 @lshift_cl_optsize(i64 %a, i64 %b, i64 %c) nounwind readnone optsize {
; GENERIC-LABEL: lshift_cl_optsize:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: movq %rdx, %rcx # sched: [1:0.33]
; GENERIC-NEXT: movq %rdi, %rax # sched: [1:0.33]
; GENERIC-NEXT: # kill: def $cl killed $cl killed $rcx
; GENERIC-NEXT: shldq %cl, %rsi, %rax # sched: [4:1.50]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: lshift_cl_optsize:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: movq %rdi, %rax # sched: [1:0.50]
; BDVER12-NEXT: movq %rdx, %rcx # sched: [1:0.50]
; BDVER12-NEXT: # kill: def $cl killed $cl killed $rcx
; BDVER12-NEXT: shldq %cl, %rsi, %rax # sched: [4:4.00]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: lshift_cl_optsize:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: movq %rdi, %rax # sched: [1:0.50]
; BTVER2-NEXT: movq %rdx, %rcx # sched: [1:0.50]
; BTVER2-NEXT: # kill: def $cl killed $cl killed $rcx
; BTVER2-NEXT: shldq %cl, %rsi, %rax # sched: [4:4.00]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%shl = shl i64 %a, %c
%sub = sub nsw i64 64, %c
%shr = lshr i64 %b, %sub
%or = or i64 %shr, %shl
ret i64 %or
}
define i64 @lshift_cl(i64 %a, i64 %b, i64 %c) nounwind readnone {
; GENERIC-LABEL: lshift_cl:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: movq %rdx, %rcx # sched: [1:0.33]
; GENERIC-NEXT: movq %rdi, %rax # sched: [1:0.33]
; GENERIC-NEXT: # kill: def $cl killed $cl killed $rcx
; GENERIC-NEXT: shldq %cl, %rsi, %rax # sched: [4:1.50]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: lshift_cl:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: movq %rdx, %rcx # sched: [1:0.50]
; BDVER12-NEXT: movq %rsi, %rax # sched: [1:0.50]
; BDVER12-NEXT: shlq %cl, %rdi # sched: [1:0.50]
; BDVER12-NEXT: negb %cl # sched: [1:0.50]
; BDVER12-NEXT: # kill: def $cl killed $cl killed $rcx
; BDVER12-NEXT: shrq %cl, %rax # sched: [1:0.50]
; BDVER12-NEXT: orq %rdi, %rax # sched: [1:0.50]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: lshift_cl:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: movq %rdx, %rcx # sched: [1:0.50]
; BTVER2-NEXT: movq %rsi, %rax # sched: [1:0.50]
; BTVER2-NEXT: shlq %cl, %rdi # sched: [1:0.50]
; BTVER2-NEXT: negb %cl # sched: [1:0.50]
; BTVER2-NEXT: # kill: def $cl killed $cl killed $rcx
; BTVER2-NEXT: shrq %cl, %rax # sched: [1:0.50]
; BTVER2-NEXT: orq %rdi, %rax # sched: [1:0.50]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%shl = shl i64 %a, %c
%sub = sub nsw i64 64, %c
%shr = lshr i64 %b, %sub
%or = or i64 %shr, %shl
ret i64 %or
}
;uint64_t rshift(uint64_t a, uint64_t b, int c)
;{
; return (a >> c) | (b << (64-c));
;}
define i64 @rshift_cl_optsize(i64 %a, i64 %b, i64 %c) nounwind readnone optsize {
; GENERIC-LABEL: rshift_cl_optsize:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: movq %rdx, %rcx # sched: [1:0.33]
; GENERIC-NEXT: movq %rdi, %rax # sched: [1:0.33]
; GENERIC-NEXT: # kill: def $cl killed $cl killed $rcx
; GENERIC-NEXT: shrdq %cl, %rsi, %rax # sched: [4:1.50]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: rshift_cl_optsize:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: movq %rdi, %rax # sched: [1:0.50]
; BDVER12-NEXT: movq %rdx, %rcx # sched: [1:0.50]
; BDVER12-NEXT: # kill: def $cl killed $cl killed $rcx
; BDVER12-NEXT: shrdq %cl, %rsi, %rax # sched: [4:4.00]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: rshift_cl_optsize:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: movq %rdi, %rax # sched: [1:0.50]
; BTVER2-NEXT: movq %rdx, %rcx # sched: [1:0.50]
; BTVER2-NEXT: # kill: def $cl killed $cl killed $rcx
; BTVER2-NEXT: shrdq %cl, %rsi, %rax # sched: [4:4.00]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%shr = lshr i64 %a, %c
%sub = sub nsw i64 64, %c
%shl = shl i64 %b, %sub
%or = or i64 %shr, %shl
ret i64 %or
}
define i64 @rshift_cl(i64 %a, i64 %b, i64 %c) nounwind readnone {
; GENERIC-LABEL: rshift_cl:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: movq %rdx, %rcx # sched: [1:0.33]
; GENERIC-NEXT: movq %rdi, %rax # sched: [1:0.33]
; GENERIC-NEXT: # kill: def $cl killed $cl killed $rcx
; GENERIC-NEXT: shrdq %cl, %rsi, %rax # sched: [4:1.50]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: rshift_cl:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: movq %rdx, %rcx # sched: [1:0.50]
; BDVER12-NEXT: movq %rsi, %rax # sched: [1:0.50]
; BDVER12-NEXT: shrq %cl, %rdi # sched: [1:0.50]
; BDVER12-NEXT: negb %cl # sched: [1:0.50]
; BDVER12-NEXT: # kill: def $cl killed $cl killed $rcx
; BDVER12-NEXT: shlq %cl, %rax # sched: [1:0.50]
; BDVER12-NEXT: orq %rdi, %rax # sched: [1:0.50]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: rshift_cl:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: movq %rdx, %rcx # sched: [1:0.50]
; BTVER2-NEXT: movq %rsi, %rax # sched: [1:0.50]
; BTVER2-NEXT: shrq %cl, %rdi # sched: [1:0.50]
; BTVER2-NEXT: negb %cl # sched: [1:0.50]
; BTVER2-NEXT: # kill: def $cl killed $cl killed $rcx
; BTVER2-NEXT: shlq %cl, %rax # sched: [1:0.50]
; BTVER2-NEXT: orq %rdi, %rax # sched: [1:0.50]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%shr = lshr i64 %a, %c
%sub = sub nsw i64 64, %c
%shl = shl i64 %b, %sub
%or = or i64 %shr, %shl
ret i64 %or
}
; extern uint64_t x;
;void lshift(uint64_t a, uint64_t b, uint_64_t c)
;{
; x = (x << c) | (a >> (64-c));
;}
@x = global i64 0, align 4
define void @lshift_mem_cl_optsize(i64 %a, i64 %c) nounwind readnone optsize {
; GENERIC-LABEL: lshift_mem_cl_optsize:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: movq %rsi, %rcx # sched: [1:0.33]
; GENERIC-NEXT: # kill: def $cl killed $cl killed $rcx
; GENERIC-NEXT: shldq %cl, %rdi, {{.*}}(%rip) # sched: [10:1.50]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: lshift_mem_cl_optsize:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: movq %rsi, %rcx # sched: [1:0.50]
; BDVER12-NEXT: # kill: def $cl killed $cl killed $rcx
; BDVER12-NEXT: shldq %cl, %rdi, {{.*}}(%rip) # sched: [4:11.00]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: lshift_mem_cl_optsize:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: movq %rsi, %rcx # sched: [1:0.50]
; BTVER2-NEXT: # kill: def $cl killed $cl killed $rcx
; BTVER2-NEXT: shldq %cl, %rdi, {{.*}}(%rip) # sched: [9:11.00]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%b = load i64, i64* @x
%shl = shl i64 %b, %c
%sub = sub nsw i64 64, %c
%shr = lshr i64 %a, %sub
%or = or i64 %shl, %shr
store i64 %or, i64* @x
ret void
}
define void @lshift_mem_cl(i64 %a, i64 %c) nounwind readnone {
; GENERIC-LABEL: lshift_mem_cl:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: movq %rsi, %rcx # sched: [1:0.33]
; GENERIC-NEXT: # kill: def $cl killed $cl killed $rcx
; GENERIC-NEXT: shldq %cl, %rdi, {{.*}}(%rip) # sched: [10:1.50]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: lshift_mem_cl:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: movq {{.*}}(%rip), %rax # sched: [5:0.50]
; BDVER12-NEXT: movq %rsi, %rcx # sched: [1:0.50]
; BDVER12-NEXT: shlq %cl, %rax # sched: [1:0.50]
; BDVER12-NEXT: negb %cl # sched: [1:0.50]
; BDVER12-NEXT: # kill: def $cl killed $cl killed $rcx
; BDVER12-NEXT: shrq %cl, %rdi # sched: [1:0.50]
; BDVER12-NEXT: orq %rax, %rdi # sched: [1:0.50]
; BDVER12-NEXT: movq %rdi, {{.*}}(%rip) # sched: [1:1.00]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: lshift_mem_cl:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: movq {{.*}}(%rip), %rax # sched: [5:1.00]
; BTVER2-NEXT: movq %rsi, %rcx # sched: [1:0.50]
; BTVER2-NEXT: shlq %cl, %rax # sched: [1:0.50]
; BTVER2-NEXT: negb %cl # sched: [1:0.50]
; BTVER2-NEXT: # kill: def $cl killed $cl killed $rcx
; BTVER2-NEXT: shrq %cl, %rdi # sched: [1:0.50]
; BTVER2-NEXT: orq %rax, %rdi # sched: [1:0.50]
; BTVER2-NEXT: movq %rdi, {{.*}}(%rip) # sched: [1:1.00]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%b = load i64, i64* @x
%shl = shl i64 %b, %c
%sub = sub nsw i64 64, %c
%shr = lshr i64 %a, %sub
%or = or i64 %shl, %shr
store i64 %or, i64* @x
ret void
}
define void @lshift_mem(i64 %a) nounwind readnone {
; GENERIC-LABEL: lshift_mem:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: shldq $10, %rdi, {{.*}}(%rip) # sched: [8:1.00]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: lshift_mem:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: movq {{.*}}(%rip), %rax # sched: [5:0.50]
; BDVER12-NEXT: shrq $54, %rdi # sched: [1:0.50]
; BDVER12-NEXT: shlq $10, %rax # sched: [1:0.50]
; BDVER12-NEXT: orq %rax, %rdi # sched: [1:0.50]
; BDVER12-NEXT: movq %rdi, {{.*}}(%rip) # sched: [1:1.00]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: lshift_mem:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: movq {{.*}}(%rip), %rax # sched: [5:1.00]
; BTVER2-NEXT: shrq $54, %rdi # sched: [1:0.50]
; BTVER2-NEXT: shlq $10, %rax # sched: [1:0.50]
; BTVER2-NEXT: orq %rax, %rdi # sched: [1:0.50]
; BTVER2-NEXT: movq %rdi, {{.*}}(%rip) # sched: [1:1.00]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%b = load i64, i64* @x
%shl = shl i64 %b, 10
%shr = lshr i64 %a, 54
%or = or i64 %shr, %shl
store i64 %or, i64* @x
ret void
}
define void @lshift_mem_optsize(i64 %a) nounwind readnone optsize {
; GENERIC-LABEL: lshift_mem_optsize:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: shldq $10, %rdi, {{.*}}(%rip) # sched: [8:1.00]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: lshift_mem_optsize:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: shldq $10, %rdi, {{.*}}(%rip) # sched: [4:11.00]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: lshift_mem_optsize:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: shldq $10, %rdi, {{.*}}(%rip) # sched: [9:11.00]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%b = load i64, i64* @x
%shl = shl i64 %b, 10
%shr = lshr i64 %a, 54
%or = or i64 %shr, %shl
store i64 %or, i64* @x
ret void
}
define void @lshift_mem_b(i64 %b) nounwind readnone {
; GENERIC-LABEL: lshift_mem_b:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: movq {{.*}}(%rip), %rax # sched: [5:0.50]
; GENERIC-NEXT: shrdq $54, %rdi, %rax # sched: [2:0.67]
; GENERIC-NEXT: movq %rax, {{.*}}(%rip) # sched: [1:1.00]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: lshift_mem_b:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: movq {{.*}}(%rip), %rax # sched: [5:0.50]
; BDVER12-NEXT: shlq $10, %rdi # sched: [1:0.50]
; BDVER12-NEXT: shrq $54, %rax # sched: [1:0.50]
; BDVER12-NEXT: orq %rdi, %rax # sched: [1:0.50]
; BDVER12-NEXT: movq %rax, {{.*}}(%rip) # sched: [1:1.00]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: lshift_mem_b:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: movq {{.*}}(%rip), %rax # sched: [5:1.00]
; BTVER2-NEXT: shlq $10, %rdi # sched: [1:0.50]
; BTVER2-NEXT: shrq $54, %rax # sched: [1:0.50]
; BTVER2-NEXT: orq %rdi, %rax # sched: [1:0.50]
; BTVER2-NEXT: movq %rax, {{.*}}(%rip) # sched: [1:1.00]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%a = load i64, i64* @x
%shl = shl i64 %b, 10
%shr = lshr i64 %a, 54
%or = or i64 %shr, %shl
store i64 %or, i64* @x
ret void
}
define void @lshift_mem_b_optsize(i64 %b) nounwind readnone optsize {
; GENERIC-LABEL: lshift_mem_b_optsize:
; GENERIC: # %bb.0: # %entry
; GENERIC-NEXT: movq {{.*}}(%rip), %rax # sched: [5:0.50]
; GENERIC-NEXT: shrdq $54, %rdi, %rax # sched: [2:0.67]
; GENERIC-NEXT: movq %rax, {{.*}}(%rip) # sched: [1:1.00]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER12-LABEL: lshift_mem_b_optsize:
; BDVER12: # %bb.0: # %entry
; BDVER12-NEXT: movq {{.*}}(%rip), %rax # sched: [5:0.50]
; BDVER12-NEXT: shrdq $54, %rdi, %rax # sched: [4:3.00]
; BDVER12-NEXT: movq %rax, {{.*}}(%rip) # sched: [1:1.00]
; BDVER12-NEXT: retq # sched: [5:1.00]
;
; BTVER2-LABEL: lshift_mem_b_optsize:
; BTVER2: # %bb.0: # %entry
; BTVER2-NEXT: movq {{.*}}(%rip), %rax # sched: [5:1.00]
; BTVER2-NEXT: shrdq $54, %rdi, %rax # sched: [3:3.00]
; BTVER2-NEXT: movq %rax, {{.*}}(%rip) # sched: [1:1.00]
; BTVER2-NEXT: retq # sched: [4:1.00]
entry:
%a = load i64, i64* @x
%shl = shl i64 %b, 10
%shr = lshr i64 %a, 54
%or = or i64 %shr, %shl
store i64 %or, i64* @x
ret void
}
