forked from OSchip/llvm-project
124 lines
3.3 KiB
LLVM
124 lines
3.3 KiB
LLVM
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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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; Check that we correctly convert integers to isl values.
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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"
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target triple = "x86_64-unknown-linux-gnu"
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; Large positive integer
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define void @f(i1024* nocapture %a) nounwind {
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entry:
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br label %bb
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bb:
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%indvar = phi i1024 [ 0, %entry ], [ %indvar.next, %bb ]
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%scevgep = getelementptr i1024* %a, i1024 %indvar
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store i1024 %indvar, i1024* %scevgep, align 8
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%indvar.next = add nsw i1024 %indvar, 1
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%exitcond = icmp eq i1024 %indvar, 123456000000000000000000000
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; CHECK: 'bb => return' in function 'f'
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; CHECK: i0 <= 123456000000000000000000000
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br i1 %exitcond, label %return, label %bb
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return:
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ret void
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}
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; Normal positive integer
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define void @f2(i32* nocapture %a) nounwind {
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entry:
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br label %bb
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bb:
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%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ]
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%scevgep = getelementptr i32* %a, i32 %indvar
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store i32 %indvar, i32* %scevgep, align 8
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%indvar.next = add nsw i32 %indvar, 1
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%exitcond = icmp eq i32 %indvar, 123456
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; CHECK: 'bb => return' in function 'f2'
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; CHECK: i0 <= 123456
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br i1 %exitcond, label %return, label %bb
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return:
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ret void
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}
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; Normal negative integer
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define void @f3(i32* nocapture %a, i32 %n) nounwind {
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entry:
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br label %bb
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bb:
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%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ]
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%scevgep = getelementptr i32* %a, i32 %indvar
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store i32 %indvar, i32* %scevgep, align 8
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%indvar.next = add nsw i32 %indvar, 1
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%sub = sub i32 %n, 123456
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%exitcond = icmp eq i32 %indvar, %sub
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; CHECK: 'bb => return' in function 'f3'
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; CHECK: -123456
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br i1 %exitcond, label %return, label %bb
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return:
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ret void
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}
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; Large negative integer
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define void @f4(i1024* nocapture %a, i1024 %n) nounwind {
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entry:
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br label %bb
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bb:
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%indvar = phi i1024 [ 0, %entry ], [ %indvar.next, %bb ]
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%scevgep = getelementptr i1024* %a, i1024 %indvar
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store i1024 %indvar, i1024* %scevgep, align 8
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%indvar.next = add nsw i1024 %indvar, 1
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%sub = sub i1024 %n, 123456000000000000000000000000000000
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; CHECK: 'bb => return' in function 'f4'
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; CHECK: -123456000000000000000000000000000000
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%exitcond = icmp eq i1024 %indvar, %sub
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br i1 %exitcond, label %return, label %bb
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return:
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ret void
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}
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define void @f5(i1023* nocapture %a, i1023 %n) nounwind {
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entry:
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br label %bb
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bb:
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%indvar = phi i1023 [ 0, %entry ], [ %indvar.next, %bb ]
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%scevgep = getelementptr i1023* %a, i1023 %indvar
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store i1023 %indvar, i1023* %scevgep, align 8
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%indvar.next = add nsw i1023 %indvar, 1
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%sub = sub i1023 %n, 123456000000000000000000000000000000
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; CHECK: 'bb => return' in function 'f5'
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; CHECK: -123456000000000000000000000000000000
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%exitcond = icmp eq i1023 %indvar, %sub
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br i1 %exitcond, label %return, label %bb
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return:
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ret void
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}
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; Tiny negative integer
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define void @f6(i3* nocapture %a, i3 %n) nounwind {
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entry:
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br label %bb
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bb:
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%indvar = phi i3 [ 0, %entry ], [ %indvar.next, %bb ]
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%scevgep = getelementptr i3* %a, i3 %indvar
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store i3 %indvar, i3* %scevgep, align 8
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%indvar.next = add nsw i3 %indvar, 1
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%sub = sub i3 %n, 3
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; CHECK: 'bb => return' in function 'f6'
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; CHECK: -3
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%exitcond = icmp eq i3 %indvar, %sub
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br i1 %exitcond, label %return, label %bb
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return:
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ret void
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}
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