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diff --git a/test/CodeGen/NVPTX/vector-compare.ll b/test/CodeGen/NVPTX/vector-compare.ll
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+++ b/test/CodeGen/NVPTX/vector-compare.ll
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+; RUN: llc < %s -march=nvptx -mcpu=sm_20
+; RUN: llc < %s -march=nvptx64 -mcpu=sm_20
+
+; This test makes sure that the result of vector compares are properly
+; scalarized. If codegen fails, then the type legalizer incorrectly
+; tried to promote <2 x i1> to <2 x i8> and instruction selection failed.
+
+define void @foo(<2 x i32>* %a, <2 x i32>* %b, i32* %r1, i32* %r2) {
+ %aval = load <2 x i32>* %a
+ %bval = load <2 x i32>* %b
+ %res = icmp slt <2 x i32> %aval, %bval
+ %t1 = extractelement <2 x i1> %res, i32 0
+ %t2 = extractelement <2 x i1> %res, i32 1
+ %t1a = zext i1 %t1 to i32
+ %t2a = zext i1 %t2 to i32
+ store i32 %t1a, i32* %r1
+ store i32 %t2a, i32* %r2
+ ret void
+}