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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

75 lines
1.8 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc < %s | FileCheck %s
; RUN: llc -relocation-model=pic < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@bit_mask8 = external hidden global i8, !absolute_symbol !0
@bit_mask32 = external hidden global i8, !absolute_symbol !1
@bit_mask64 = external hidden global i8, !absolute_symbol !2
declare void @f()
define void @foo32(ptr %ptr) nounwind {
; CHECK-LABEL: foo32:
; CHECK: # %bb.0:
; CHECK-NEXT: movl $bit_mask32, %eax
; CHECK-NEXT: movl (%rdi), %ecx
; CHECK-NEXT: btl %ecx, %eax
; CHECK-NEXT: jae .LBB0_1
; CHECK-NEXT: # %bb.2: # %f
; CHECK-NEXT: retq
; CHECK-NEXT: .LBB0_1: # %t
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: callq f@PLT
; CHECK-NEXT: popq %rax
; CHECK-NEXT: retq
%load = load i32, ptr %ptr
%and = and i32 %load, 31
%shl = shl i32 1, %and
%and2 = and i32 %shl, ptrtoint (ptr @bit_mask32 to i32)
%icmp = icmp eq i32 %and2, 0
br i1 %icmp, label %t, label %f
t:
call void @f()
ret void
f:
ret void
}
define void @foo64(ptr %ptr) nounwind {
; CHECK-LABEL: foo64:
; CHECK: # %bb.0:
; CHECK-NEXT: movabsq $bit_mask64, %rax
; CHECK-NEXT: movl (%rdi), %ecx
; CHECK-NEXT: btq %rcx, %rax
; CHECK-NEXT: jae .LBB1_1
; CHECK-NEXT: # %bb.2: # %f
; CHECK-NEXT: retq
; CHECK-NEXT: .LBB1_1: # %t
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: callq f@PLT
; CHECK-NEXT: popq %rax
; CHECK-NEXT: retq
%load = load i64, ptr %ptr
%and = and i64 %load, 63
%shl = shl i64 1, %and
%and2 = and i64 %shl, ptrtoint (ptr @bit_mask64 to i64)
%icmp = icmp eq i64 %and2, 0
br i1 %icmp, label %t, label %f
t:
call void @f()
ret void
f:
ret void
}
!0 = !{i64 0, i64 256}
!1 = !{i64 0, i64 4294967296}
!2 = !{i64 -1, i64 -1}