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; 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(i32 addrspace(1)* %p.coerce) #0 {
entry:
%p = alloca i32*, align 8, addrspace(5)
%p.ascast = addrspacecast i32* addrspace(5)* %p to i32**
%p.addr = alloca i32*, align 8, addrspace(5)
%p.addr.ascast = addrspacecast i32* addrspace(5)* %p.addr to i32**
%t = alloca [27 x i32], align 16, addrspace(5)
%t.ascast = addrspacecast [27 x i32] addrspace(5)* %t to [27 x i32]*
%sum = alloca i32, align 4, addrspace(5)
%sum.ascast = addrspacecast i32 addrspace(5)* %sum to i32*
%i = alloca i32, align 4, addrspace(5)
%i.ascast = addrspacecast i32 addrspace(5)* %i to i32*
%cleanup.dest.slot = alloca i32, align 4, addrspace(5)
%0 = addrspacecast i32 addrspace(1)* %p.coerce to i32*
store i32* %0, i32** %p.ascast, align 8
%p1 = load i32*, i32** %p.ascast, align 8
store i32* %p1, i32** %p.addr.ascast, align 8
%1 = bitcast [27 x i32] addrspace(5)* %t to i8 addrspace(5)*
call void @llvm.lifetime.start.p5i8(i64 48, i8 addrspace(5)* %1)
%arraydecay = getelementptr inbounds [27 x i32], [27 x i32]* %t.ascast, i64 0, i64 0
%2 = load i32*, i32** %p.addr.ascast, align 8
call void @copy(i32* %arraydecay, i32* %2, i32 27)
%3 = bitcast i32 addrspace(5)* %sum to i8 addrspace(5)*
call void @llvm.lifetime.start.p5i8(i64 4, i8 addrspace(5)* %3)
store i32 0, i32* %sum.ascast, align 4
%4 = bitcast i32 addrspace(5)* %i to i8 addrspace(5)*
call void @llvm.lifetime.start.p5i8(i64 4, i8 addrspace(5)* %4)
store i32 0, i32* %i.ascast, align 4
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%5 = load i32, i32* %i.ascast, align 4
%cmp = icmp slt i32 %5, 27
br i1 %cmp, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond
%6 = bitcast i32 addrspace(5)* %i to i8 addrspace(5)*
call void @llvm.lifetime.end.p5i8(i64 4, i8 addrspace(5)* %6)
br label %for.end
for.body: ; preds = %for.cond
%7 = load i32, i32* %i.ascast, align 4
%idxprom = sext i32 %7 to i64
%arrayidx = getelementptr inbounds [27 x i32], [27 x i32]* %t.ascast, i64 0, i64 %idxprom
%8 = load i32, i32* %arrayidx, align 4
%9 = load i32, i32* %sum.ascast, align 4
%add = add nsw i32 %9, %8
store i32 %add, i32* %sum.ascast, align 4
br label %for.inc
for.inc: ; preds = %for.body
%10 = load i32, i32* %i.ascast, align 4
%inc = add nsw i32 %10, 1
store i32 %inc, i32* %i.ascast, align 4
br label %for.cond
for.end: ; preds = %for.cond.cleanup
%11 = load i32, i32* %sum.ascast, align 4
%12 = load i32*, i32** %p.addr.ascast, align 8
store i32 %11, i32* %12, align 4
%13 = bitcast i32 addrspace(5)* %sum to i8 addrspace(5)*
call void @llvm.lifetime.end.p5i8(i64 4, i8 addrspace(5)* %13)
%14 = bitcast [27 x i32] addrspace(5)* %t to i8 addrspace(5)*
call void @llvm.lifetime.end.p5i8(i64 48, i8 addrspace(5)* %14)
ret void
}
define internal void @copy(i32* %d, i32* %s, i32 %N) {
entry:
%d8 = bitcast i32* %d to i8*
%s8 = bitcast i32* %s to i8*
%N8 = mul i32 %N, 4
tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %d8, i8* %s8, i32 %N8, i1 false)
ret void
}
declare void @llvm.lifetime.start.p5i8(i64 immarg, i8 addrspace(5)* nocapture)
declare void @llvm.lifetime.end.p5i8(i64 immarg, i8 addrspace(5)* nocapture)
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i1)
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