llvm-6502/test/CodeGen/NVPTX/intrin-nocapture.ll

22 lines
678 B
LLVM

; RUN: opt < %s -O3 -S | FileCheck %s
; Address space intrinsics were erroneously marked NoCapture, leading to bad
; optimizations (such as the store below being eliminated as dead code). This
; test makes sure we don't regress.
declare void @foo(i32 addrspace(1)*)
declare i32 addrspace(1)* @llvm.nvvm.ptr.gen.to.global.p1i32.p0i32(i32*)
; CHECK: @bar
define void @bar() {
%t1 = alloca i32
; CHECK: call i32 addrspace(1)* @llvm.nvvm.ptr.gen.to.global.p1i32.p0i32(i32* %t1)
; CHECK-NEXT: store i32 10, i32* %t1
%t2 = call i32 addrspace(1)* @llvm.nvvm.ptr.gen.to.global.p1i32.p0i32(i32* %t1)
store i32 10, i32* %t1
call void @foo(i32 addrspace(1)* %t2)
ret void
}