[llvm] af03f7f - [Test] Add XFAIL test for PR50918

[Max Kazantsev via llvm-commits]

Author: Max Kazantsev
Date: 2021-06-28T12:22:27+07:00
New Revision: af03f7fb37bf13ed923f893182fd4e2f6c40bfd2

URL: https://github.com/llvm/llvm-project/commit/af03f7fb37bf13ed923f893182fd4e2f6c40bfd2
DIFF: https://github.com/llvm/llvm-project/commit/af03f7fb37bf13ed923f893182fd4e2f6c40bfd2.diff

LOG: [Test] Add XFAIL test for PR50918

Added: 
    llvm/test/Transforms/LoopStrengthReduce/pr50918.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/LoopStrengthReduce/pr50918.ll b/llvm/test/Transforms/LoopStrengthReduce/pr50918.ll
new file mode 100644
index 0000000000000..f8c26d3181ae7
--- /dev/null
+++ b/llvm/test/Transforms/LoopStrengthReduce/pr50918.ll
@@ -0,0 +1,44 @@
+; RUN: opt -S -loop-reduce < %s | FileCheck %s
+;
+; REQUIRES: asserts
+; XFAIL: *
+;
+; Make sure we don't fail an assertion here.
+
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @test() {
+; CHECK-LABEL: test
+bb:
+  br label %bb1
+
+bb1:                                              ; preds = %bb12, %bb
+  %tmp2 = phi i64 [ 94, %bb ], [ %tmp20, %bb12 ]
+  %tmp3 = phi i32 [ -28407, %bb ], [ %tmp23, %bb12 ]
+  %tmp4 = trunc i64 %tmp2 to i32
+  %tmp5 = add i32 %tmp3, %tmp4
+  %tmp6 = mul i32 undef, %tmp5
+  %tmp7 = sub i32 %tmp6, %tmp5
+  %tmp8 = shl i32 %tmp7, 1
+  %tmp9 = add i32 %tmp8, %tmp3
+  %tmp10 = add i32 %tmp9, %tmp4
+  %tmp11 = shl i32 %tmp10, 1
+  br label %bb21
+
+bb12:                                             ; preds = %bb21
+  %tmp13 = mul i32 %tmp22, -101
+  %tmp14 = add i32 %tmp22, 2
+  %tmp15 = add i32 %tmp14, %tmp13
+  %tmp16 = trunc i32 %tmp15 to i8
+  %tmp17 = shl i8 %tmp16, 5
+  %tmp18 = add i8 %tmp17, 64
+  %tmp19 = sext i8 %tmp18 to i32
+  %tmp20 = add nsw i64 %tmp2, -3
+  br label %bb1
+
+bb21:                                             ; preds = %bb21, %bb1
+  %tmp22 = phi i32 [ %tmp11, %bb1 ], [ %tmp23, %bb21 ]
+  %tmp23 = add i32 %tmp22, 1
+  br i1 false, label %bb12, label %bb21
+}