2016-03-24 07:17:29 +08:00
|
|
|
; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-promote-alloca < %s | FileCheck %s
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @volatile_load(
|
|
|
|
|
; CHECK: alloca [5 x i32]
|
|
|
|
|
; CHECK load volatile i32, i32*
|
|
|
|
|
define void @volatile_load(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) {
|
|
|
|
|
entry:
|
|
|
|
|
%stack = alloca [5 x i32], align 4
|
|
|
|
|
%tmp = load i32, i32 addrspace(1)* %in, align 4
|
|
|
|
|
%arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %tmp
|
|
|
|
|
%load = load volatile i32, i32* %arrayidx1
|
|
|
|
|
store i32 %load, i32 addrspace(1)* %out
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @volatile_store(
|
|
|
|
|
; CHECK: alloca [5 x i32]
|
|
|
|
|
; CHECK store volatile i32 %tmp, i32*
|
|
|
|
|
define void @volatile_store(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) {
|
|
|
|
|
entry:
|
|
|
|
|
%stack = alloca [5 x i32], align 4
|
|
|
|
|
%tmp = load i32, i32 addrspace(1)* %in, align 4
|
|
|
|
|
%arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %tmp
|
|
|
|
|
store volatile i32 %tmp, i32* %arrayidx1
|
|
|
|
|
ret void
|
|
|
|
|
}
|
2016-05-19 07:20:24 +08:00
|
|
|
|
|
|
|
|
; Has on OK non-volatile user but also a volatile user
|
|
|
|
|
; CHECK-LABEL: @volatile_and_non_volatile_load(
|
|
|
|
|
; CHECK: alloca double
|
|
|
|
|
; CHECK: load double
|
|
|
|
|
; CHECK: load volatile double
|
|
|
|
|
define void @volatile_and_non_volatile_load(double addrspace(1)* nocapture %arg, i32 %arg1) #0 {
|
|
|
|
|
bb:
|
|
|
|
|
%tmp = alloca double, align 8
|
|
|
|
|
store double 0.000000e+00, double* %tmp, align 8
|
|
|
|
|
|
|
|
|
|
%tmp4 = load double, double* %tmp, align 8
|
|
|
|
|
%tmp5 = load volatile double, double* %tmp, align 8
|
|
|
|
|
|
|
|
|
|
store double %tmp4, double addrspace(1)* %arg
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
attributes #0 = { nounwind }
|
