forked from OSchip/llvm-project
297 lines
7.6 KiB
LLVM
297 lines
7.6 KiB
LLVM
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-detect -analyze < %s | FileCheck %s
|
|
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-detect -analyze < %s | FileCheck %s
|
|
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
|
|
|
|
define void @base_pointer_in_condition(i64** noalias %A_ptr, i64 %N) nounwind {
|
|
entry:
|
|
fence seq_cst
|
|
br label %pre
|
|
|
|
pre:
|
|
%A = load i64*, i64** %A_ptr
|
|
br i1 true, label %for.i, label %then
|
|
|
|
for.i:
|
|
%indvar = phi i64 [ 0, %pre ], [ %indvar.next, %for.i ]
|
|
%scevgep = getelementptr i64, i64* %A, i64 %indvar
|
|
store i64 %indvar, i64* %scevgep
|
|
%indvar.next = add nsw i64 %indvar, 1
|
|
%exitcond = icmp eq i64 %indvar.next, %N
|
|
br i1 %exitcond, label %then, label %for.i
|
|
|
|
then:
|
|
br label %return
|
|
|
|
return:
|
|
fence seq_cst
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: base_pointer_in_condition
|
|
; CHECK: Valid Region for Scop: for.i => then
|
|
|
|
define void @base_pointer_is_argument(float* %A, i64 %n) {
|
|
entry:
|
|
br label %for.i
|
|
|
|
for.i:
|
|
%indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
|
|
br label %S1
|
|
|
|
S1:
|
|
%conv = sitofp i64 %indvar.i to float
|
|
%arrayidx5 = getelementptr float, float* %A, i64 %indvar.i
|
|
store float %conv, float* %arrayidx5, align 4
|
|
br label %for.i.inc
|
|
|
|
for.i.inc:
|
|
%indvar.i.next = add i64 %indvar.i, 1
|
|
%exitcond.i = icmp ne i64 %indvar.i.next, %n
|
|
br i1 %exitcond.i, label %for.i, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: base_pointer_is_argument
|
|
; CHECK: Valid Region for Scop: for.i => exit
|
|
|
|
define void @base_pointer_is_const_expr(i64 %n) {
|
|
entry:
|
|
br label %for.i
|
|
|
|
for.i:
|
|
%indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
|
|
br label %S1
|
|
|
|
S1:
|
|
%conv = sitofp i64 %indvar.i to float
|
|
%arrayidx5 = getelementptr float, float* inttoptr (i64 100 to float*), i64 %indvar.i
|
|
store float %conv, float* %arrayidx5, align 4
|
|
br label %for.i.inc
|
|
|
|
for.i.inc:
|
|
%indvar.i.next = add i64 %indvar.i, 1
|
|
%exitcond.i = icmp ne i64 %indvar.i.next, %n
|
|
br i1 %exitcond.i, label %for.i, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: base_pointer_is_const_expr
|
|
; CHECK-LABEL: Valid Region for Scop: for.i => exit
|
|
|
|
@A = external global float
|
|
|
|
define void @base_pointer_is_global(i64 %n) {
|
|
entry:
|
|
br label %for.i
|
|
|
|
for.i:
|
|
%indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
|
|
br label %S1
|
|
|
|
S1:
|
|
%conv = sitofp i64 %indvar.i to float
|
|
%arrayidx5 = getelementptr float, float* @A, i64 %indvar.i
|
|
store float %conv, float* %arrayidx5, align 4
|
|
br label %for.i.inc
|
|
|
|
for.i.inc:
|
|
%indvar.i.next = add i64 %indvar.i, 1
|
|
%exitcond.i = icmp ne i64 %indvar.i.next, %n
|
|
br i1 %exitcond.i, label %for.i, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: base_pointer_is_global
|
|
; CHECK: Valid Region for Scop: for.i => exit
|
|
|
|
declare float *@foo()
|
|
|
|
define void @base_pointer_is_inst_outside(i64 %n) {
|
|
entry:
|
|
%A = call float *@foo()
|
|
br label %for.i
|
|
|
|
for.i:
|
|
%indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
|
|
br label %S1
|
|
|
|
S1:
|
|
%conv = sitofp i64 %indvar.i to float
|
|
%arrayidx5 = getelementptr float, float* %A, i64 %indvar.i
|
|
store float %conv, float* %arrayidx5, align 4
|
|
br label %for.i.inc
|
|
|
|
for.i.inc:
|
|
%indvar.i.next = add i64 %indvar.i, 1
|
|
%exitcond.i = icmp ne i64 %indvar.i.next, %n
|
|
br i1 %exitcond.i, label %for.i, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: base_pointer_is_inst_outside
|
|
; CHECK: Valid Region for Scop: for.i => exit
|
|
|
|
declare float* @getNextBasePtr(float*) readnone nounwind
|
|
|
|
define void @base_pointer_is_phi_node(i64 %n, float* %A) {
|
|
entry:
|
|
br label %for.i
|
|
|
|
for.i:
|
|
%indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
|
|
%ptr = phi float* [ %ptr.next, %for.i.inc ], [ %A, %entry ]
|
|
; To get a PHI node inside a SCoP that can not be analyzed but
|
|
; for which the surrounding SCoP is normally still valid we use a function
|
|
; without any side effects.
|
|
%ptr.next = call float* @getNextBasePtr(float* %ptr)
|
|
br label %S1
|
|
|
|
S1:
|
|
%conv = sitofp i64 %indvar.i to float
|
|
%arrayidx5 = getelementptr float, float* %ptr, i64 %indvar.i
|
|
store float %conv, float* %arrayidx5, align 4
|
|
br label %for.i.inc
|
|
|
|
for.i.inc:
|
|
%indvar.i.next = add i64 %indvar.i, 1
|
|
%exitcond.i = icmp ne i64 %indvar.i.next, %n
|
|
br i1 %exitcond.i, label %for.i, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: base_pointer_is_phi_node
|
|
; CHECK-NOT: Valid Region for Scop
|
|
|
|
define void @base_pointer_is_inst_inside_invariant_1(i64 %n, float* %A) {
|
|
entry:
|
|
br label %for.i
|
|
|
|
for.i:
|
|
%indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
|
|
; To get an instruction inside a region, we use a function without side
|
|
; effects on which SCEV blocks, but for which it is still clear that the
|
|
; return value remains invariant throughout the whole loop.
|
|
%ptr = call float* @getNextBasePtr(float* %A)
|
|
br label %S1
|
|
|
|
S1:
|
|
%conv = sitofp i64 %indvar.i to float
|
|
%arrayidx5 = getelementptr float, float* %ptr, i64 %indvar.i
|
|
store float %conv, float* %arrayidx5, align 4
|
|
br label %for.i.inc
|
|
|
|
for.i.inc:
|
|
%indvar.i.next = add i64 %indvar.i, 1
|
|
%exitcond.i = icmp ne i64 %indvar.i.next, %n
|
|
br i1 %exitcond.i, label %for.i, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: base_pointer_is_inst_inside_invariant_1
|
|
; CHECK: Valid Region for Scop: for.i => exit
|
|
|
|
declare float* @getNextBasePtr2(float*) readnone nounwind
|
|
|
|
define void @base_pointer_is_inst_inside_invariant_2(i64 %n, float* %A) {
|
|
entry:
|
|
br label %for.i
|
|
|
|
for.i:
|
|
%indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
|
|
%ptr = call float* @getNextBasePtr2(float* %A)
|
|
%ptr2 = call float* @getNextBasePtr(float* %ptr)
|
|
br label %S1
|
|
|
|
S1:
|
|
%conv = sitofp i64 %indvar.i to float
|
|
%arrayidx5 = getelementptr float, float* %ptr2, i64 %indvar.i
|
|
store float %conv, float* %arrayidx5, align 4
|
|
br label %for.i.inc
|
|
|
|
for.i.inc:
|
|
%indvar.i.next = add i64 %indvar.i, 1
|
|
%exitcond.i = icmp ne i64 %indvar.i.next, %n
|
|
br i1 %exitcond.i, label %for.i, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: base_pointer_is_inst_inside_invariant_2
|
|
; CHECK: Valid Region for Scop: for.i => exit
|
|
|
|
declare float* @getNextBasePtr3(float*, i64) readnone nounwind
|
|
|
|
define void @base_pointer_is_inst_inside_variant(i64 %n, float* %A) {
|
|
entry:
|
|
br label %for.i
|
|
|
|
for.i:
|
|
%indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
|
|
%ptr = call float* @getNextBasePtr3(float* %A, i64 %indvar.i)
|
|
%ptr2 = call float* @getNextBasePtr(float* %ptr)
|
|
br label %S1
|
|
|
|
S1:
|
|
%conv = sitofp i64 %indvar.i to float
|
|
%arrayidx5 = getelementptr float, float* %ptr2, i64 %indvar.i
|
|
store float %conv, float* %arrayidx5, align 4
|
|
br label %for.i.inc
|
|
|
|
for.i.inc:
|
|
%indvar.i.next = add i64 %indvar.i, 1
|
|
%exitcond.i = icmp ne i64 %indvar.i.next, %n
|
|
br i1 %exitcond.i, label %for.i, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; CHECK: base_pointer_is_inst_inside_variant
|
|
; CHECK-NOT: Valid Region for Scop
|
|
|
|
define void @base_pointer_is_ptr2ptr(float** noalias %A, i64 %n) {
|
|
entry:
|
|
br label %for.i
|
|
|
|
for.i:
|
|
%indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
|
|
%arrayidx = getelementptr float*, float** %A, i64 %indvar.i
|
|
br label %for.j
|
|
|
|
for.j:
|
|
%indvar.j = phi i64 [ 0, %for.i ], [ %indvar.j.next, %for.j ]
|
|
%conv = sitofp i64 %indvar.i to float
|
|
%basepointer = load float*, float** %arrayidx, align 8
|
|
%arrayidx5 = getelementptr float, float* %basepointer, i64 %indvar.j
|
|
store float %conv, float* %arrayidx5, align 4
|
|
%indvar.j.next = add i64 %indvar.j, 1
|
|
%exitcond.j = icmp ne i64 %indvar.j.next, %n
|
|
br i1 %exitcond.j, label %for.j, label %for.i.inc
|
|
|
|
for.i.inc:
|
|
%indvar.i.next = add i64 %indvar.i, 1
|
|
%exitcond.i = icmp ne i64 %indvar.i.next, %n
|
|
br i1 %exitcond.i, label %for.i, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; CHECK: base_pointer_is_ptr2ptr
|
|
; CHECK-NOT: Valid Region for Scop
|