File: conflicting-bitcast-insert.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (28 lines) | stat: -rw-r--r-- 820 bytes parent folder | download | duplicates (6) 
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
 
; RUN: llc --filetype=asm %s -o - | FileCheck %s
target triple = "dxil-unknown-shadermodel6.7-library"

define i64 @test(ptr %p) #0 {
  store i32 0, ptr %p
  %v = load i64, ptr %p
  ret i64 %v
}

; CHECK: define i64 @test(ptr %p) #0 {
; CHECK-NEXT: %1 = bitcast ptr %p to ptr
; CHECK-NEXT: store i32 0, ptr %1, align 4
; CHECK-NEXT: %2 = bitcast ptr %p to ptr
; CHECK-NEXT: %3 = load i64, ptr %2, align 8

define i64 @testGEP(ptr %p) #0 {
  %ptr = getelementptr i32, ptr %p, i32 4
  %val = load i64, ptr %p
  ret i64 %val
}

attributes #0 = { convergent norecurse nounwind "hlsl.export"}

; CHECK: define i64 @testGEP(ptr %p) #0 {
; CHECK-NEXT:   %1 = bitcast ptr %p to ptr
; CHECK-NEXT:   %ptr = getelementptr i32, ptr %1, i32 4
; CHECK-NEXT:   %2 = bitcast ptr %p to ptr
; CHECK-NEXT:   %3 = load i64, ptr %2, align 8