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Diffstat (limited to 'test/Transforms/InstCombine/cast.ll')
-rw-r--r-- | test/Transforms/InstCombine/cast.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/cast.ll b/test/Transforms/InstCombine/cast.ll index 5f75cd0a89..5bcfded872 100644 --- a/test/Transforms/InstCombine/cast.ll +++ b/test/Transforms/InstCombine/cast.ll @@ -337,3 +337,40 @@ define i64 @test38(i32 %a) { ; CHECK: %2 = zext i1 %1 to i64 ; CHECK: ret i64 %2 } + +define i16 @test39(i16 %a) { + %tmp = zext i16 %a to i32 + %tmp21 = lshr i32 %tmp, 8 + %tmp5 = shl i32 %tmp, 8 + %tmp.upgrd.32 = or i32 %tmp21, %tmp5 + %tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16 + ret i16 %tmp.upgrd.3 +; CHECK: @test39 +; CHECK: %tmp.upgrd.32 = call i16 @llvm.bswap.i16(i16 %a) +; CHECK: ret i16 %tmp.upgrd.32 +} + +define i16 @test40(i16 %a) { + %tmp = zext i16 %a to i32 + %tmp21 = lshr i32 %tmp, 9 + %tmp5 = shl i32 %tmp, 8 + %tmp.upgrd.32 = or i32 %tmp21, %tmp5 + %tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16 + ret i16 %tmp.upgrd.3 +; CHECK: @test40 +; CHECK: %tmp21 = lshr i16 %a, 9 +; CHECK: %tmp5 = shl i16 %a, 8 +; CHECK: %tmp.upgrd.32 = or i16 %tmp21, %tmp5 +; CHECK: ret i16 %tmp.upgrd.32 +} + +; PR1263 +define i32* @test41(i32* %tmp1) { + %tmp64 = bitcast i32* %tmp1 to { i32 }* + %tmp65 = getelementptr { i32 }* %tmp64, i32 0, i32 0 + ret i32* %tmp65 +; CHECK: @test41 +; CHECK: ret i32* %tmp1 +} + + |