Author: Florian Hahn Date: 2021-01-18T15:24:18Z New Revision: 34a2c138c8960b47a35054312ebd746b320cac03
URL: https://github.com/llvm/llvm-project/commit/34a2c138c8960b47a35054312ebd746b320cac03 DIFF: https://github.com/llvm/llvm-project/commit/34a2c138c8960b47a35054312ebd746b320cac03.diff LOG: [LoopRotate] Precommit test for prepare-for-lto handling. Precommit test for D94232. Added: llvm/test/Transforms/LoopRotate/call-prepare-for-lto.ll Modified: Removed: ################################################################################ diff --git a/llvm/test/Transforms/LoopRotate/call-prepare-for-lto.ll b/llvm/test/Transforms/LoopRotate/call-prepare-for-lto.ll new file mode 100644 index 000000000000..dff733936cdf --- /dev/null +++ b/llvm/test/Transforms/LoopRotate/call-prepare-for-lto.ll @@ -0,0 +1,36 @@ +; RUN: opt -S -loop-rotate < %s | FileCheck --check-prefix=FULL %s +; RUN: opt -S -passes='require<targetir>,require<assumptions>,loop(loop-rotate)' < %s | FileCheck --check-prefix=FULL %s + +; Test case to make sure loop-rotate avoids rotating during the prepare-for-lto +; stage, when the header contains a call which may be inlined during the LTO stage. +define void @test_prepare_for_lto() { +; FULL-LABEL: @test_prepare_for_lto( +; FULL-NEXT: entry: +; FULL-NEXT: %array = alloca [20 x i32], align 16 +; FULL-NEXT: %arrayidx = getelementptr inbounds [20 x i32], [20 x i32]* %array, i64 0, i64 0 +; FULL-NEXT: call void @may_be_inlined() +; FULL-NEXT: br label %for.body +; +entry: + %array = alloca [20 x i32], align 16 + br label %for.cond + +for.cond: ; preds = %for.body, %entry + %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ] + %cmp = icmp slt i32 %i.0, 100 + %arrayidx = getelementptr inbounds [20 x i32], [20 x i32]* %array, i64 0, i64 0 + call void @may_be_inlined() + br i1 %cmp, label %for.body, label %for.end + +for.body: ; preds = %for.cond + store i32 0, i32* %arrayidx, align 16 + %inc = add nsw i32 %i.0, 1 + br label %for.cond + +for.end: ; preds = %for.cond + ret void +} + +define void @may_be_inlined() { + ret void +} _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
