| ; 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) |