File: call-bitcast.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 (15 lines) | stat: -rw-r--r-- 598 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
; RUN: opt -aa-pipeline=basic-aa -passes='print<memoryssa>,verify<memoryssa>' -disable-output < %s 2>&1 | FileCheck %s
;
; Ensures that MemorySSA leverages the ground truth of the function being
; called even if the call and function signatures don't match.

declare i1 @opaque_true(i1) nounwind readonly

define i1 @foo(ptr %ptr, i1 %cond) {
  %cond_wide = zext i1 %cond to i32
; CHECK: MemoryUse(liveOnEntry)
; CHECK-NEXT: call i32 @opaque_true(i32 %cond_wide)
  %cond_hidden_wide = call i32 @opaque_true(i32 %cond_wide)
  %cond_hidden = trunc i32 %cond_hidden_wide to i1
  ret i1 %cond_hidden
}