; RUN: opt -passes='default<O1>,instnamer' -mtriple=amdgcn-- -S -o - %s | FileCheck -check-prefixes=GCN,O1 %s
; RUN: opt -passes='default<O2>,instnamer' -mtriple=amdgcn-- -S -o - %s | FileCheck -check-prefixes=GCN,O2 %s
; RUN: opt -passes='default<O3>,instnamer' -mtriple=amdgcn-- -S -o - %s | FileCheck -check-prefixes=GCN,O3 %s
target datalayout = "A5"
; GCN-LABEL: t0
; O1-NOT: alloca
; O2-NOT: alloca
; O3-NOT: alloca
; GCN-COUNT-27: = load
; GCN-COUNT-26: = add
define protected amdgpu_kernel void @t0(ptr addrspace(1) %p.coerce) #0 {
entry:
%p = alloca ptr, align 8, addrspace(5)
%p.ascast = addrspacecast ptr addrspace(5) %p to ptr
%p.addr = alloca ptr, align 8, addrspace(5)
%p.addr.ascast = addrspacecast ptr addrspace(5) %p.addr to ptr
%t = alloca [27 x i32], align 16, addrspace(5)
%t.ascast = addrspacecast ptr addrspace(5) %t to ptr
%sum = alloca i32, align 4, addrspace(5)
%sum.ascast = addrspacecast ptr addrspace(5) %sum to ptr
%i = alloca i32, align 4, addrspace(5)
%i.ascast = addrspacecast ptr addrspace(5) %i to ptr
%cleanup.dest.slot = alloca i32, align 4, addrspace(5)
%0 = addrspacecast ptr addrspace(1) %p.coerce to ptr
store ptr %0, ptr %p.ascast, align 8
%p1 = load ptr, ptr %p.ascast, align 8
store ptr %p1, ptr %p.addr.ascast, align 8
call void @llvm.lifetime.start.p5(i64 48, ptr addrspace(5) %t)
%1 = load ptr, ptr %p.addr.ascast, align 8
call void @copy(ptr %t.ascast, ptr %1, i32 27)
call void @llvm.lifetime.start.p5(i64 4, ptr addrspace(5) %sum)
store i32 0, ptr %sum.ascast, align 4
call void @llvm.lifetime.start.p5(i64 4, ptr addrspace(5) %i)
store i32 0, ptr %i.ascast, align 4
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%2 = load i32, ptr %i.ascast, align 4
%cmp = icmp slt i32 %2, 27
br i1 %cmp, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond
call void @llvm.lifetime.end.p5(i64 4, ptr addrspace(5) %i)
br label %for.end
for.body: ; preds = %for.cond
%3 = load i32, ptr %i.ascast, align 4
%idxprom = sext i32 %3 to i64
%arrayidx = getelementptr inbounds [27 x i32], ptr %t.ascast, i64 0, i64 %idxprom
%4 = load i32, ptr %arrayidx, align 4
%5 = load i32, ptr %sum.ascast, align 4
%add = add nsw i32 %5, %4
store i32 %add, ptr %sum.ascast, align 4
br label %for.inc
for.inc: ; preds = %for.body
%6 = load i32, ptr %i.ascast, align 4
%inc = add nsw i32 %6, 1
store i32 %inc, ptr %i.ascast, align 4
br label %for.cond
for.end: ; preds = %for.cond.cleanup
%7 = load i32, ptr %sum.ascast, align 4
%8 = load ptr, ptr %p.addr.ascast, align 8
store i32 %7, ptr %8, align 4
call void @llvm.lifetime.end.p5(i64 4, ptr addrspace(5) %sum)
call void @llvm.lifetime.end.p5(i64 48, ptr addrspace(5) %t)
ret void
}
define internal void @copy(ptr %d, ptr %s, i32 %N) {
entry:
%N8 = mul i32 %N, 4
tail call void @llvm.memcpy.p0.p0.i32(ptr %d, ptr %s, i32 %N8, i1 false)
ret void
}
declare void @llvm.lifetime.start.p5(i64 immarg, ptr addrspace(5) nocapture)
declare void @llvm.lifetime.end.p5(i64 immarg, ptr addrspace(5) nocapture)
declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture, i32, i1)
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