File: combine_ir.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (35 lines) | stat: -rw-r--r-- 852 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
; RUN: llc -march=hexagon -disable-hsdr < %s | FileCheck %s

declare void @bar(i64)

; CHECK-LABEL: halfword:
; CHECK: combine(#0

define void @halfword(ptr nocapture %a) nounwind {
entry:
  %0 = load i16, ptr %a, align 2
  %1 = zext i16 %0 to i64
  %add.ptr = getelementptr inbounds i16, ptr %a, i32 1
  %2 = load i16, ptr %add.ptr, align 2
  %3 = zext i16 %2 to i64
  %4 = shl nuw nsw i64 %3, 16
  %ins = or i64 %4, %1
  tail call void @bar(i64 %ins) nounwind
  ret void
}

; CHECK-LABEL: byte:
; CHECK: combine(#0

define void @byte(ptr nocapture %a) nounwind {
entry:
  %0 = load i8, ptr %a, align 1
  %1 = zext i8 %0 to i64
  %add.ptr = getelementptr inbounds i8, ptr %a, i32 1
  %2 = load i8, ptr %add.ptr, align 1
  %3 = zext i8 %2 to i64
  %4 = shl nuw nsw i64 %3, 8
  %ins = or i64 %4, %1
  tail call void @bar(i64 %ins) nounwind
  ret void
}