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; RUN: llc -O0 -verify-machineinstrs -asm-verbose=0 -march=amdgcn < %s | FileCheck -check-prefix=SI -check-prefix=COMMON %s
; RUN: llc -O0 -verify-machineinstrs -asm-verbose=0 -march=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=SI -check-prefix=COMMON %s
; XUN: llc -O0 -verify-machineinstrs -asm-verbose=0 -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=COMMON %s
; SI hits an assertion at -O0, evergreen hits a not implemented unreachable.
; COMMON-LABEL: {{^}}branch_true:
define amdgpu_kernel void @branch_true(ptr addrspace(1) nocapture %main, i32 %main_stride) #0 {
entry:
br i1 true, label %for.end, label %for.body.lr.ph
for.body.lr.ph: ; preds = %entry
%add.ptr.sum = shl i32 %main_stride, 1
%add.ptr1.sum = add i32 %add.ptr.sum, %main_stride
%add.ptr4.sum = shl i32 %main_stride, 2
br label %for.body
for.body: ; preds = %for.body, %for.body.lr.ph
%main.addr.011 = phi ptr addrspace(1) [ %main, %for.body.lr.ph ], [ %add.ptr6, %for.body ]
%0 = load i32, ptr addrspace(1) %main.addr.011, align 4
%add.ptr = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %main_stride
%1 = load i32, ptr addrspace(1) %add.ptr, align 4
%add.ptr1 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr.sum
%2 = load i32, ptr addrspace(1) %add.ptr1, align 4
%add.ptr2 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr1.sum
%3 = load i32, ptr addrspace(1) %add.ptr2, align 4
%add.ptr3 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr4.sum
%4 = load i32, ptr addrspace(1) %add.ptr3, align 4
%add.ptr6 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 undef
br i1 undef, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
; COMMON-LABEL: {{^}}branch_false:
; SI: s_cbranch_scc1
; SI: s_endpgm
define amdgpu_kernel void @branch_false(ptr addrspace(1) nocapture %main, i32 %main_stride) #0 {
entry:
br i1 false, label %for.end, label %for.body.lr.ph
for.body.lr.ph: ; preds = %entry
%add.ptr.sum = shl i32 %main_stride, 1
%add.ptr1.sum = add i32 %add.ptr.sum, %main_stride
%add.ptr4.sum = shl i32 %main_stride, 2
br label %for.body
for.body: ; preds = %for.body, %for.body.lr.ph
%main.addr.011 = phi ptr addrspace(1) [ %main, %for.body.lr.ph ], [ %add.ptr6, %for.body ]
%0 = load i32, ptr addrspace(1) %main.addr.011, align 4
%add.ptr = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %main_stride
%1 = load i32, ptr addrspace(1) %add.ptr, align 4
%add.ptr1 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr.sum
%2 = load i32, ptr addrspace(1) %add.ptr1, align 4
%add.ptr2 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr1.sum
%3 = load i32, ptr addrspace(1) %add.ptr2, align 4
%add.ptr3 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr4.sum
%4 = load i32, ptr addrspace(1) %add.ptr3, align 4
%add.ptr6 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 undef
br i1 undef, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
; COMMON-LABEL: {{^}}branch_undef:
; SI: s_cbranch_scc1
; SI: s_cbranch_scc1
; SI: s_endpgm
define amdgpu_kernel void @branch_undef(ptr addrspace(1) nocapture %main, i32 %main_stride) #0 {
entry:
br i1 undef, label %for.end, label %for.body.lr.ph
for.body.lr.ph: ; preds = %entry
%add.ptr.sum = shl i32 %main_stride, 1
%add.ptr1.sum = add i32 %add.ptr.sum, %main_stride
%add.ptr4.sum = shl i32 %main_stride, 2
br label %for.body
for.body: ; preds = %for.body, %for.body.lr.ph
%main.addr.011 = phi ptr addrspace(1) [ %main, %for.body.lr.ph ], [ %add.ptr6, %for.body ]
%0 = load i32, ptr addrspace(1) %main.addr.011, align 4
%add.ptr = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %main_stride
%1 = load i32, ptr addrspace(1) %add.ptr, align 4
%add.ptr1 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr.sum
%2 = load i32, ptr addrspace(1) %add.ptr1, align 4
%add.ptr2 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr1.sum
%3 = load i32, ptr addrspace(1) %add.ptr2, align 4
%add.ptr3 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr4.sum
%4 = load i32, ptr addrspace(1) %add.ptr3, align 4
%add.ptr6 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 undef
br i1 undef, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
attributes #0 = { nounwind }
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