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-rw-r--r--test/CodeGen/X86/widen_cast-2.ll43
1 files changed, 43 insertions, 0 deletions
diff --git a/test/CodeGen/X86/widen_cast-2.ll b/test/CodeGen/X86/widen_cast-2.ll
new file mode 100644
index 000000000000..3b45ce308d24
--- /dev/null
+++ b/test/CodeGen/X86/widen_cast-2.ll
@@ -0,0 +1,43 @@
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse42 -disable-mmx -o %t -f
+; RUN: grep pextrd %t | count 5
+; RUN: grep movd %t | count 3
+
+; bitcast v14i16 to v7i32
+
+define void @convert(<7 x i32>* %dst, <14 x i16>* %src) nounwind {
+entry:
+ %dst.addr = alloca <7 x i32>* ; <<7 x i32>**> [#uses=2]
+ %src.addr = alloca <14 x i16>* ; <<14 x i16>**> [#uses=2]
+ %i = alloca i32, align 4 ; <i32*> [#uses=6]
+ store <7 x i32>* %dst, <7 x i32>** %dst.addr
+ store <14 x i16>* %src, <14 x i16>** %src.addr
+ store i32 0, i32* %i
+ br label %forcond
+
+forcond: ; preds = %forinc, %entry
+ %tmp = load i32* %i ; <i32> [#uses=1]
+ %cmp = icmp slt i32 %tmp, 4 ; <i1> [#uses=1]
+ br i1 %cmp, label %forbody, label %afterfor
+
+forbody: ; preds = %forcond
+ %tmp1 = load i32* %i ; <i32> [#uses=1]
+ %tmp2 = load <7 x i32>** %dst.addr ; <<2 x i32>*> [#uses=1]
+ %arrayidx = getelementptr <7 x i32>* %tmp2, i32 %tmp1 ; <<7 x i32>*> [#uses=1]
+ %tmp3 = load i32* %i ; <i32> [#uses=1]
+ %tmp4 = load <14 x i16>** %src.addr ; <<4 x i16>*> [#uses=1]
+ %arrayidx5 = getelementptr <14 x i16>* %tmp4, i32 %tmp3 ; <<4 x i16>*> [#uses=1]
+ %tmp6 = load <14 x i16>* %arrayidx5 ; <<4 x i16>> [#uses=1]
+ %add = add <14 x i16> %tmp6, < i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1 > ; <<4 x i16>> [#uses=1]
+ %conv = bitcast <14 x i16> %add to <7 x i32> ; <<7 x i32>> [#uses=1]
+ store <7 x i32> %conv, <7 x i32>* %arrayidx
+ br label %forinc
+
+forinc: ; preds = %forbody
+ %tmp7 = load i32* %i ; <i32> [#uses=1]
+ %inc = add i32 %tmp7, 1 ; <i32> [#uses=1]
+ store i32 %inc, i32* %i
+ br label %forcond
+
+afterfor: ; preds = %forcond
+ ret void
+}