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-rw-r--r--test/CodeGen/X86/pr26870.ll37
1 files changed, 37 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr26870.ll b/test/CodeGen/X86/pr26870.ll
new file mode 100644
index 000000000000..2731ed2d0125
--- /dev/null
+++ b/test/CodeGen/X86/pr26870.ll
@@ -0,0 +1,37 @@
+; RUN: llc < %s -mtriple=i686-pc-windows-msvc18.0.0 -mcpu=pentium4
+
+define x86_thiscallcc i32* @fn4(i32* %this, i8* dereferenceable(1) %p1) {
+entry:
+ %DL = getelementptr inbounds i32, i32* %this, i32 0
+ %call.i = tail call x86_thiscallcc i64 @fn1(i32* %DL)
+ %getTypeAllocSize___trans_tmp_2.i = getelementptr inbounds i32, i32* %this, i32 0
+ %0 = load i32, i32* %getTypeAllocSize___trans_tmp_2.i, align 4
+ %call.i8 = tail call x86_thiscallcc i64 @fn1(i32* %DL)
+ %1 = insertelement <2 x i64> undef, i64 %call.i, i32 0
+ %2 = insertelement <2 x i64> %1, i64 %call.i8, i32 1
+ %3 = add nsw <2 x i64> %2, <i64 7, i64 7>
+ %4 = sdiv <2 x i64> %3, <i64 8, i64 8>
+ %5 = add nsw <2 x i64> %4, <i64 1, i64 1>
+ %6 = load i32, i32* %getTypeAllocSize___trans_tmp_2.i, align 4
+ %7 = insertelement <2 x i32> undef, i32 %0, i32 0
+ %8 = insertelement <2 x i32> %7, i32 %6, i32 1
+ %9 = zext <2 x i32> %8 to <2 x i64>
+ %10 = srem <2 x i64> %5, %9
+ %11 = sub <2 x i64> %5, %10
+ %12 = trunc <2 x i64> %11 to <2 x i32>
+ %13 = extractelement <2 x i32> %12, i32 0
+ %14 = extractelement <2 x i32> %12, i32 1
+ %cmp = icmp eq i32 %13, %14
+ br i1 %cmp, label %if.then, label %cleanup
+
+if.then:
+ %call4 = tail call x86_thiscallcc i32* @fn3(i8* nonnull %p1)
+ br label %cleanup
+
+cleanup:
+ %retval.0 = phi i32* [ %call4, %if.then ], [ undef, %entry ]
+ ret i32* %retval.0
+}
+
+declare x86_thiscallcc i32* @fn3(i8*)
+declare x86_thiscallcc i64 @fn1(i32*)