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70 lines
1.6 KiB
LLVM
70 lines
1.6 KiB
LLVM
; RUN: llc < %s -march=x86 | FileCheck -check-prefix=X86 %s
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; RUN: llc < %s -march=x86-64 | FileCheck -check-prefix=X64 %s
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; X86-NOT: and
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; X64-NOT: and
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; X64-NOT: movzbq
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; X64-NOT: movzwq
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; X64-NOT: movzlq
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; These should use movzbl instead of 'and 255'.
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; This related to not having a ZERO_EXTEND_REG opcode.
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define i32 @a(i32 %d) nounwind {
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%e = add i32 %d, 1
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%retval = and i32 %e, 255
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ret i32 %retval
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}
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define i32 @b(float %d) nounwind {
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%tmp12 = fptoui float %d to i8
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%retval = zext i8 %tmp12 to i32
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ret i32 %retval
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}
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define i32 @c(i32 %d) nounwind {
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%e = add i32 %d, 1
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%retval = and i32 %e, 65535
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ret i32 %retval
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}
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define i64 @d(i64 %d) nounwind {
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%e = add i64 %d, 1
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%retval = and i64 %e, 255
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ret i64 %retval
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}
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define i64 @e(i64 %d) nounwind {
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%e = add i64 %d, 1
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%retval = and i64 %e, 65535
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ret i64 %retval
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}
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define i64 @f(i64 %d) nounwind {
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%e = add i64 %d, 1
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%retval = and i64 %e, 4294967295
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ret i64 %retval
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}
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define i32 @g(i8 %d) nounwind {
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%e = add i8 %d, 1
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%retval = zext i8 %e to i32
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ret i32 %retval
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}
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define i32 @h(i16 %d) nounwind {
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%e = add i16 %d, 1
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%retval = zext i16 %e to i32
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ret i32 %retval
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}
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define i64 @i(i8 %d) nounwind {
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%e = add i8 %d, 1
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%retval = zext i8 %e to i64
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ret i64 %retval
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}
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define i64 @j(i16 %d) nounwind {
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%e = add i16 %d, 1
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%retval = zext i16 %e to i64
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ret i64 %retval
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}
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define i64 @k(i32 %d) nounwind {
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%e = add i32 %d, 1
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%retval = zext i32 %e to i64
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ret i64 %retval
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}
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