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TheRock/compiler/amd-llvm/llvm/test/CodeGen/X86/zext-inreg-0.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

70 lines
1.7 KiB
LLVM

; RUN: llc < %s -mtriple=i686-- | FileCheck -check-prefix=X86 %s
; RUN: llc < %s -mtriple=x86_64-- | FileCheck -check-prefix=X64 %s
; X86-NOT: and
; X64-NOT: and
; X64-NOT: movzbq
; X64-NOT: movzwq
; X64-NOT: movzlq
; These should use movzbl instead of 'and 255'.
; This related to not having a ZERO_EXTEND_REG opcode.
define i32 @a(i32 %d) nounwind {
%e = add i32 %d, 1
%retval = and i32 %e, 255
ret i32 %retval
}
define i32 @b(float %d) nounwind {
%tmp12 = fptoui float %d to i8
%retval = zext i8 %tmp12 to i32
ret i32 %retval
}
define i32 @c(i32 %d) nounwind {
%e = add i32 %d, 1
%retval = and i32 %e, 65535
ret i32 %retval
}
define i64 @d(i64 %d) nounwind {
%e = add i64 %d, 1
%retval = and i64 %e, 255
ret i64 %retval
}
define i64 @e(i64 %d) nounwind {
%e = add i64 %d, 1
%retval = and i64 %e, 65535
ret i64 %retval
}
define i64 @f(i64 %d) nounwind {
%e = add i64 %d, 1
%retval = and i64 %e, 4294967295
ret i64 %retval
}
define i32 @g(i8 %d) nounwind {
%e = add i8 %d, 1
%retval = zext i8 %e to i32
ret i32 %retval
}
define i32 @h(i16 %d) nounwind {
%e = add i16 %d, 1
%retval = zext i16 %e to i32
ret i32 %retval
}
define i64 @i(i8 %d) nounwind {
%e = add i8 %d, 1
%retval = zext i8 %e to i64
ret i64 %retval
}
define i64 @j(i16 %d) nounwind {
%e = add i16 %d, 1
%retval = zext i16 %e to i64
ret i64 %retval
}
define i64 @k(i32 %d) nounwind {
%e = add i32 %d, 1
%retval = zext i32 %e to i64
ret i64 %retval
}