File: pr56110.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (21 lines) | stat: -rw-r--r-- 720 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=riscv32 | FileCheck %s
; RUN: llc < %s -mtriple=riscv32 -mattr=+unaligned-scalar-mem | FileCheck %s

define void @foo_set(ptr nocapture noundef %a, i32 noundef %v) {
; CHECK-LABEL: foo_set:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    srli a2, a1, 8
; CHECK-NEXT:    sb a1, 3(a0)
; CHECK-NEXT:    sb a2, 4(a0)
; CHECK-NEXT:    ret
entry:
  %bf.load = load i96, ptr %a, align 1
  %0 = and i32 %v, 65535
  %bf.value = zext i32 %0 to i96
  %bf.shl = shl nuw nsw i96 %bf.value, 24
  %bf.clear = and i96 %bf.load, -1099494850561
  %bf.set = or i96 %bf.clear, %bf.shl
  store i96 %bf.set, ptr %a, align 1
  ret void
}