forked from OSchip/llvm-project
27 lines
785 B
LLVM
27 lines
785 B
LLVM
; RUN: llvm-as < %s | llc -march=arm &&
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; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 &&
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; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | grep "uxtb" | wc -l | grep 1 &&
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; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | grep "uxtab" | wc -l | grep 1 &&
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; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | grep "uxth" | wc -l | grep 1
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define i8 @test1(i32 %A.u) zext {
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%B.u = trunc i32 %A.u to i8
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ret i8 %B.u
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}
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define i32 @test2(i32 %A.u, i32 %B.u) zext {
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%C.u = trunc i32 %B.u to i8
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%D.u = zext i8 %C.u to i32
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%E.u = add i32 %A.u, %D.u
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ret i32 %E.u
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}
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define i32 @test3(i32 %A.u) zext {
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%B.u = lshr i32 %A.u, 8
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%C.u = shl i32 %A.u, 24
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%D.u = or i32 %B.u, %C.u
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%E.u = trunc i32 %D.u to i16
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%F.u = zext i16 %E.u to i32
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ret i32 %F.u
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}
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