From 3789b6187cd3da34b81ef2d46fcc4af3f25ef4f3 Mon Sep 17 00:00:00 2001
From: Daniel Berlin <dberlin@dberlin.org>
Date: Tue, 14 Mar 2017 01:46:51 +0000
Subject: [PATCH] Add missing condprop-xfail.ll that contains the remaining
 xfail'd tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297699 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/NewGVN/condprop-xfail.ll | 123 +++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 test/Transforms/NewGVN/condprop-xfail.ll

diff --git a/test/Transforms/NewGVN/condprop-xfail.ll b/test/Transforms/NewGVN/condprop-xfail.ll
new file mode 100644
index 00000000000..5c049617f87
--- /dev/null
+++ b/test/Transforms/NewGVN/condprop-xfail.ll
@@ -0,0 +1,123 @@
+; XFAIL: *
+; RUN: opt < %s -basicaa -newgvn -S | FileCheck %s
+
+@a = external global i32		; <i32*> [#uses=7]
+
+;; NewGVN takes two passes to get this, because we prune predicateinfo
+; CHECK-LABEL: @test1(
+define i32 @test1() nounwind {
+entry:
+	%0 = load i32, i32* @a, align 4
+	%1 = icmp eq i32 %0, 4
+	br i1 %1, label %bb, label %bb1
+
+bb:		; preds = %entry
+	br label %bb8
+
+bb1:		; preds = %entry
+	%2 = load i32, i32* @a, align 4
+	%3 = icmp eq i32 %2, 5
+	br i1 %3, label %bb2, label %bb3
+
+bb2:		; preds = %bb1
+	br label %bb8
+
+bb3:		; preds = %bb1
+	%4 = load i32, i32* @a, align 4
+	%5 = icmp eq i32 %4, 4
+; CHECK: br i1 false, label %bb4, label %bb5
+	br i1 %5, label %bb4, label %bb5
+
+bb4:		; preds = %bb3
+	%6 = load i32, i32* @a, align 4
+	%7 = add i32 %6, 5
+	br label %bb8
+
+bb5:		; preds = %bb3
+	%8 = load i32, i32* @a, align 4
+	%9 = icmp eq i32 %8, 5
+; CHECK: br i1 false, label %bb6, label %bb7
+	br i1 %9, label %bb6, label %bb7
+
+bb6:		; preds = %bb5
+	%10 = load i32, i32* @a, align 4
+	%11 = add i32 %10, 4
+	br label %bb8
+
+bb7:		; preds = %bb5
+	%12 = load i32, i32* @a, align 4
+	br label %bb8
+
+bb8:		; preds = %bb7, %bb6, %bb4, %bb2, %bb
+	%.0 = phi i32 [ %12, %bb7 ], [ %11, %bb6 ], [ %7, %bb4 ], [ 4, %bb2 ], [ 5, %bb ]
+	br label %return
+
+return:		; preds = %bb8
+	ret i32 %.0
+}
+;; NewGVN takes two passes to get test[6,8] and test[6,8]_fp's main part
+;; The icmp ne requires an equality table that inserts the inequalities for each
+;; discovered equality while processing.
+; CHECK-LABEL: @test6(
+define i1 @test6(i32 %x, i32 %y) {
+  %cmp2 = icmp ne i32 %x, %y
+  %cmp = icmp eq i32 %x, %y
+  %cmp3 = icmp eq i32 %x, %y
+  br i1 %cmp, label %same, label %different
+
+same:
+; CHECK: ret i1 false
+  ret i1 %cmp2
+
+different:
+; CHECK: ret i1 false
+  ret i1 %cmp3
+}
+
+; CHECK-LABEL: @test6_fp(
+define i1 @test6_fp(float %x, float %y) {
+  %cmp2 = fcmp une float %x, %y
+  %cmp = fcmp oeq float %x, %y
+  %cmp3 = fcmp oeq float  %x, %y
+  br i1 %cmp, label %same, label %different
+
+same:
+; CHECK: ret i1 false
+  ret i1 %cmp2
+
+different:
+; CHECK: ret i1 false
+  ret i1 %cmp3
+}
+; CHECK-LABEL: @test8(
+define i1 @test8(i32 %x, i32 %y) {
+  %cmp2 = icmp sle i32 %x, %y
+  %cmp = icmp sgt i32 %x, %y
+  %cmp3 = icmp sgt i32 %x, %y
+  br i1 %cmp, label %same, label %different
+
+same:
+; CHECK: ret i1 false
+  ret i1 %cmp2
+
+different:
+; CHECK: ret i1 false
+  ret i1 %cmp3
+}
+
+; CHECK-LABEL: @test8_fp(
+define i1 @test8_fp(float %x, float %y) {
+  %cmp2 = fcmp ule float %x, %y
+  %cmp = fcmp ogt float %x, %y
+  %cmp3 = fcmp ogt float %x, %y
+  br i1 %cmp, label %same, label %different
+
+same:
+; CHECK: ret i1 false
+  ret i1 %cmp2
+
+different:
+; CHECK: ret i1 false
+  ret i1 %cmp3
+}
+
-- 
2.50.1