1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --no_x86_scrub_sp
2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=FAST-SHLD
3 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+slow-shld | FileCheck %s --check-prefix=SLOW-SHLD
5 define void @_start() nounwind {
6 ; FAST-SHLD-LABEL: _start:
7 ; FAST-SHLD: # %bb.0: # %Entry
8 ; FAST-SHLD-NEXT: movq -40(%rsp), %rax
9 ; FAST-SHLD-NEXT: movq -32(%rsp), %rcx
10 ; FAST-SHLD-NEXT: movq %rcx, %rdx
11 ; FAST-SHLD-NEXT: shlq $62, %rdx
12 ; FAST-SHLD-NEXT: shrq $2, %rcx
13 ; FAST-SHLD-NEXT: shldq $2, %rdx, %rcx
14 ; FAST-SHLD-NEXT: andq $-4, %rax
15 ; FAST-SHLD-NEXT: incq %rax
16 ; FAST-SHLD-NEXT: movq %rax, -40(%rsp)
17 ; FAST-SHLD-NEXT: movq %rcx, -32(%rsp)
18 ; FAST-SHLD-NEXT: orq $-2, -56(%rsp)
19 ; FAST-SHLD-NEXT: movq $-1, -48(%rsp)
20 ; FAST-SHLD-NEXT: retq
22 ; SLOW-SHLD-LABEL: _start:
23 ; SLOW-SHLD: # %bb.0: # %Entry
24 ; SLOW-SHLD-NEXT: movq -40(%rsp), %rax
25 ; SLOW-SHLD-NEXT: andq $-4, %rax
26 ; SLOW-SHLD-NEXT: incq %rax
27 ; SLOW-SHLD-NEXT: movq %rax, -40(%rsp)
28 ; SLOW-SHLD-NEXT: orq $-2, -56(%rsp)
29 ; SLOW-SHLD-NEXT: movq $-1, -48(%rsp)
30 ; SLOW-SHLD-NEXT: retq
32 %y = alloca <3 x i129>, align 16
33 %L = load <3 x i129>, ptr %y
34 %I1 = insertelement <3 x i129> %L, i129 340282366920938463463374607431768211455, i32 1
35 store <3 x i129> %I1, ptr %y