9cc0779c4e
We should be able to run the pass multiple times without breaking anything. If we still need to track these for some reason, we could replace with new entries for the kernels.
83 lines
2.9 KiB
LLVM
83 lines
2.9 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -amdgpu-lower-ctor-dtor %s | FileCheck %s
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s | FileCheck -check-prefix=GCN %s
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; Make sure we emit code for constructor entries that aren't direct
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; function calls.
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; Check a constructor that's an alias, and an integer literal.
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@llvm.global_ctors = appending addrspace(1) global [2 x { i32, ptr, ptr }] [
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{ i32, ptr, ptr } { i32 1, ptr @foo.alias, i8* null },
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{ i32, ptr, ptr } { i32 1, ptr inttoptr (i64 4096 to ptr), i8* null }
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]
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; Check a constantexpr addrspacecast
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@llvm.global_dtors = appending addrspace(1) global [1 x { i32, ptr, ptr }] [
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{ i32, ptr, ptr } { i32 1, ptr addrspacecast (ptr addrspace(1) @bar to ptr), i8* null }
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]
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@foo.alias = hidden alias void (), ptr @foo
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;.
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; CHECK-NOT: @llvm.global_ctors
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; CHECK-NOT: @llvm.global_dtors
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; CHECK: @llvm.used = appending global [2 x ptr] [ptr @amdgcn.device.init, ptr @amdgcn.device.fini], section "llvm.metadata"
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; CHECK: @foo.alias = hidden alias void (), ptr @foo
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;.
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define void @foo() {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: ret void
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;
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ret void
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}
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define void @bar() addrspace(1) {
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; CHECK-LABEL: @bar(
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; CHECK-NEXT: ret void
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;
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ret void
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}
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; CHECK: define amdgpu_kernel void @amdgcn.device.init() #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: call void @foo.alias()
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; CHECK-NEXT: call void inttoptr (i64 4096 to ptr)()
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; CHECK-NEXT: ret void
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; CHECK-NEXT: }
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; CHECK: define amdgpu_kernel void @amdgcn.device.fini() #[[ATTR1:[0-9]+]] {
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; CHECK-NEXT: call void addrspacecast (ptr addrspace(1) @bar to ptr)()
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; CHECK-NEXT: ret void
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; CHECK-NEXT: }
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;.
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; CHECK: attributes #[[ATTR0]] = { "device-init" }
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; CHECK: attributes #[[ATTR1]] = { "device-fini" }
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; GCN-LABEL: foo:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: s_setpc_b64 s[30:31]
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;
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; GCN-LABEL: bar:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: s_setpc_b64 s[30:31]
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;
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; GCN-LABEL: amdgcn.device.init:
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; GCN: s_getpc_b64 s{{\[}}[[PC_LO:[0-9]+]]:[[PC_HI:[0-9]+]]{{\]}}
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; GCN-NEXT: s_add_u32 s[[PC_LO]], s[[PC_LO]], foo.alias@rel32@lo+4
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; GCN-NEXT: s_addc_u32 s[[PC_HI]], s[[PC_HI]], foo.alias@rel32@hi+12
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; GCN-NEXT: s_swappc_b64 s[30:31], s{{\[}}[[PC_LO]]:[[PC_HI]]{{\]}}
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; GCN: s_mov_b64 [[LIT_ADDR:s\[[0-9]+:[0-9]+\]]], 0x1000
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; GCN: s_swappc_b64 s[30:31], [[LIT_ADDR]]
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; GCN-NEXT: s_endpgm
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;
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; GCN-LABEL: amdgcn.device.fini:
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; GCN: s_getpc_b64 s{{\[}}[[PC_LO:[0-9]+]]:[[PC_HI:[0-9]+]]{{\]}}
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; GCN-NEXT: s_add_u32 s[[PC_LO]], s[[PC_LO]], bar@gotpcrel32@lo+4
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; GCN-NEXT: s_addc_u32 s[[PC_HI]], s[[PC_HI]], bar@gotpcrel32@hi+12
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; GCN-NEXT: s_load_dwordx2 s{{\[}}[[GOT_LO:[0-9]+]]:[[GOT_HI:[0-9]+]]{{\]}}, s{{\[}}[[PC_LO]]:[[PC_HI]]{{\]}}, 0x0
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; GCN: s_swappc_b64 s[30:31], s{{\[}}[[GOT_LO]]:[[GOT_HI]]{{\]}}
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; GCN-NEXT: s_endpgm
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