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-rw-r--r--polly/test/Isl/single_loop_param_less_equal.ll54
1 files changed, 54 insertions, 0 deletions
diff --git a/polly/test/Isl/single_loop_param_less_equal.ll b/polly/test/Isl/single_loop_param_less_equal.ll
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index 00000000000..45442b868ff
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+++ b/polly/test/Isl/single_loop_param_less_equal.ll
@@ -0,0 +1,54 @@
+; RUN: opt %loadPolly -polly-ast -analyze < %s | FileCheck %s
+; RUN: opt %loadPolly -polly-codegen-isl -S < %s | FileCheck %s -check-prefix=CODEGEN
+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-n8:16:32:64"
+target triple = "x86_64-pc-linux-gnu"
+
+@A = common global [1024 x i32] zeroinitializer
+
+define void @bar(i64 %n) {
+start:
+ %n_plus_one = add i64 %n, 1
+ fence seq_cst
+ br label %loop.header
+
+loop.header:
+ %i = phi i64 [ 0, %start ], [ %i.next, %loop.backedge ]
+ %scevgep = getelementptr [1024 x i32]* @A, i64 0, i64 %i
+ %exitcond = icmp ne i64 %i, %n_plus_one
+ br i1 %exitcond, label %loop.body, label %ret
+
+loop.body:
+ store i32 1, i32* %scevgep
+ br label %loop.backedge
+
+loop.backedge:
+ %i.next = add nsw i64 %i, 1
+ br label %loop.header
+
+ret:
+ fence seq_cst
+ ret void
+}
+
+; CHECK: for (int c1 = 0; c1 <= n; c1 += 1)
+; CHECK: Stmt_loop_body(c1)
+
+; CODEGEN: polly.start:
+; CODEGEN: br label %polly.loop_header
+
+; CODEGEN: polly.loop_after:
+; CODEGEN: br label %polly.merge_new_and_old
+
+; CODEGEN: polly.loop_header:
+; CODEGEN: %polly.loopiv = phi i64 [ 0, %polly.start ], [ %polly.next_loopiv, %polly.stmt.loop.body ]
+; CODEGEN: %polly.next_loopiv = add nsw i64 %polly.loopiv, 1
+; CODEGEN: %0 = icmp sle i64 %polly.loopiv, %n
+; CODEGEN: br i1 %0, label %polly.loop_body, label %polly.loop_after
+
+; CODEGEN: polly.loop_body:
+; CODEGEN: br label %polly.stmt.loop.body
+
+; CODEGEN: polly.stmt.loop.body:
+; CODEGEN: %p_scevgep.moved.to.loop.body = getelementptr [1024 x i32]* @A, i64 0, i64 %polly.loopiv
+; CODEGEN: store i32 1, i32* %p_scevgep.moved.to.loop.body
+; CODEGEN: br label %polly.loop_header
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