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;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2023 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
; RUN: igc_opt -debugify --igc-gep-loop-strength-reduction -check-debugify -S < %s 2>&1 | FileCheck %s
;
; Input:
;
; struct Foo {
; float a;
; double b;
; float c;
; };
; kernel void test(global struct Foo* p, int n) {
; for (int i = 0; i < n; ++i) {
; p->a += i;
; p->c += i;
; }
; }
;
; GEPs to non-array type in aggregate type. Don't optimize them.
; Debug-info related check
; CHECK: CheckModuleDebugify: PASS
%struct.Foo = type { float, double, float }
define spir_kernel void @test(%struct.Foo addrspace(1)* %p, i32 %n) #0 {
entry:
%cmp1 = icmp slt i32 0, %n
br i1 %cmp1, label %for.body.lr.ph, label %for.end
; CHECK-LABEL: for.body.lr.ph:
; CHECK-NOT: getelementptr
; CHECK: br label %for.body
for.body.lr.ph: ; preds = %entry
br label %for.body
; CHECK-LABEL: for.body:
; CHECK: %i.02 = phi i32 [ 0, %for.body.lr.ph ], [ %add4, %for.body ]
; CHECK: %conv = sitofp i32 %i.02 to float
; CHECK: %a = getelementptr inbounds %struct.Foo, %struct.Foo addrspace(1)* %p, i32 0, i32 0
; CHECK: %0 = load float, float addrspace(1)* %a, align 4
; CHECK: %add = fadd float %0, %conv
; CHECK: store float %add, float addrspace(1)* %a, align 4
; CHECK: %conv1 = sitofp i32 %i.02 to float
; CHECK: %c = getelementptr inbounds %struct.Foo, %struct.Foo addrspace(1)* %p, i32 0, i32 2
; CHECK: %1 = load float, float addrspace(1)* %c, align 4
; CHECK: %add2 = fadd float %1, %conv1
; CHECK: %add4 = add nuw nsw i32 %i.02, 2
; CHECK: %cmp = icmp slt i32 %add4, %n
; CHECK: br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
for.body: ; preds = %for.body.lr.ph, %for.body
%i.02 = phi i32 [ 0, %for.body.lr.ph ], [ %add4, %for.body ]
%conv = sitofp i32 %i.02 to float
%a = getelementptr inbounds %struct.Foo, %struct.Foo addrspace(1)* %p, i32 0, i32 0
%0 = load float, float addrspace(1)* %a, align 4
%add = fadd float %0, %conv
store float %add, float addrspace(1)* %a, align 4
%conv1 = sitofp i32 %i.02 to float
%c = getelementptr inbounds %struct.Foo, %struct.Foo addrspace(1)* %p, i32 0, i32 2
%1 = load float, float addrspace(1)* %c, align 4
%add2 = fadd float %1, %conv1
%add4 = add nuw nsw i32 %i.02, 2
%cmp = icmp slt i32 %add4, %n
br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
for.cond.for.end_crit_edge: ; preds = %for.body
br label %for.end
for.end: ; preds = %for.cond.for.end_crit_edge, %entry
ret void
}
!igc.functions = !{!0}
!0 = !{void (%struct.Foo addrspace(1)*, i32)* @test, !1}
!1 = !{!2}
!2 = !{!"function_type", i32 0}
|
