28 lines
1.0 KiB
LLVM
28 lines
1.0 KiB
LLVM
; RUN: llc < %s -mtriple=amdgcn--amdpal -mcpu=gfx1010 -verify-machineinstrs | FileCheck %s --check-prefixes=CHECK
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; This used to cause a circular chain dependency during
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; SelectionDAG instruction scheduling.
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; CHECK-LABEL: {{^}}_amdgpu_gs_main:
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; CHECK: ds_read_b32
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; CHECK: ds_read_b32
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; CHECK: ds_read_b32
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; CHECK: ds_read_b32
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define amdgpu_gs float @_amdgpu_gs_main(i8 addrspace(3)* %arg0, i8 addrspace(3)* %arg1, i8 addrspace(3)* %arg2) #0 {
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%tmp0 = bitcast i8 addrspace(3)* %arg0 to i32 addrspace(3)* addrspace(3)*
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%tmp = load volatile i32 addrspace(3)*, i32 addrspace(3)* addrspace(3)* %tmp0, align 4
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%tmp3 = load volatile i32, i32 addrspace(3)* %tmp, align 4
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%tmp4a = bitcast i8 addrspace(3)* %arg1 to i32 addrspace(3)*
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%tmp4 = load volatile i32, i32 addrspace(3)* %tmp4a, align 4
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%tmp7a = getelementptr i32, i32 addrspace(3)* %tmp, i32 8
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%tmp8 = load volatile i32, i32 addrspace(3)* %tmp7a, align 4
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%tmp9 = add i32 %tmp3, %tmp8
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%tmp10 = add i32 %tmp9, %tmp4
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%tmp14 = bitcast i32 %tmp10 to float
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ret float %tmp14
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}
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