mirror of
https://github.com/c64scene-ar/llvm-6502.git
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85 lines
3.2 KiB
LLVM
85 lines
3.2 KiB
LLVM
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; RUN: opt -S -o - < %s | FileCheck --check-prefix=PLAIN %s
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; RUN: opt -S -o - -instcombine -globalopt < %s | FileCheck --check-prefix=OPT %s
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; The automatic constant folder in opt does not have targetdata access, so
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; it can't fold gep arithmetic, in general. However, the constant folder run
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; from instcombine and global opt does, and can.
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; PLAIN: @G8 = global i8* getelementptr (i8* inttoptr (i32 1 to i8*), i32 -1)
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; PLAIN: @G1 = global i1* getelementptr (i1* inttoptr (i32 1 to i1*), i32 -1)
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; PLAIN: @F8 = global i8* getelementptr (i8* inttoptr (i32 1 to i8*), i32 -2)
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; PLAIN: @F1 = global i1* getelementptr (i1* inttoptr (i32 1 to i1*), i32 -2)
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; PLAIN: @H8 = global i8* getelementptr (i8* null, i32 -1)
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; PLAIN: @H1 = global i1* getelementptr (i1* null, i32 -1)
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; PLAIN: define i8* @goo8() nounwind {
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; PLAIN: ret i8* getelementptr (i8* inttoptr (i32 1 to i8*), i32 -1)
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; PLAIN: }
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; PLAIN: define i1* @goo1() nounwind {
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; PLAIN: ret i1* getelementptr (i1* inttoptr (i32 1 to i1*), i32 -1)
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; PLAIN: }
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; PLAIN: define i8* @foo8() nounwind {
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; PLAIN: ret i8* getelementptr (i8* inttoptr (i32 1 to i8*), i32 -2)
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; PLAIN: }
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; PLAIN: define i1* @foo1() nounwind {
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; PLAIN: ret i1* getelementptr (i1* inttoptr (i32 1 to i1*), i32 -2)
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; PLAIN: }
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; PLAIN: define i8* @hoo8() nounwind {
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; PLAIN: ret i8* getelementptr (i8* null, i32 -1)
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; PLAIN: }
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; PLAIN: define i1* @hoo1() nounwind {
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; PLAIN: ret i1* getelementptr (i1* null, i32 -1)
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; PLAIN: }
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; OPT: @G8 = global i8* null
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; OPT: @G1 = global i1* null
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; OPT: @F8 = global i8* inttoptr (i64 -1 to i8*)
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; OPT: @F1 = global i1* inttoptr (i64 -1 to i1*)
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; OPT: @H8 = global i8* inttoptr (i64 -1 to i8*)
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; OPT: @H1 = global i1* inttoptr (i64 -1 to i1*)
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; OPT: define i8* @goo8() nounwind {
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; OPT: ret i8* null
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; OPT: }
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; OPT: define i1* @goo1() nounwind {
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; OPT: ret i1* null
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; OPT: }
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; OPT: define i8* @foo8() nounwind {
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; OPT: ret i8* inttoptr (i64 -1 to i8*)
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; OPT: }
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; OPT: define i1* @foo1() nounwind {
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; OPT: ret i1* inttoptr (i64 -1 to i1*)
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; OPT: }
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; OPT: define i8* @hoo8() nounwind {
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; OPT: ret i8* inttoptr (i64 -1 to i8*)
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; OPT: }
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; OPT: define i1* @hoo1() nounwind {
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; OPT: ret i1* inttoptr (i64 -1 to i1*)
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; OPT: }
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64"
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@G8 = global i8* getelementptr (i8* inttoptr (i32 1 to i8*), i32 -1)
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@G1 = global i1* getelementptr (i1* inttoptr (i32 1 to i1*), i32 -1)
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@F8 = global i8* getelementptr (i8* inttoptr (i32 1 to i8*), i32 -2)
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@F1 = global i1* getelementptr (i1* inttoptr (i32 1 to i1*), i32 -2)
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@H8 = global i8* getelementptr (i8* inttoptr (i32 0 to i8*), i32 -1)
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@H1 = global i1* getelementptr (i1* inttoptr (i32 0 to i1*), i32 -1)
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define i8* @goo8() nounwind {
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ret i8* getelementptr (i8* inttoptr (i32 1 to i8*), i32 -1)
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}
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define i1* @goo1() nounwind {
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ret i1* getelementptr (i1* inttoptr (i32 1 to i1*), i32 -1)
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}
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define i8* @foo8() nounwind {
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ret i8* getelementptr (i8* inttoptr (i32 1 to i8*), i32 -2)
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}
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define i1* @foo1() nounwind {
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ret i1* getelementptr (i1* inttoptr (i32 1 to i1*), i32 -2)
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}
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define i8* @hoo8() nounwind {
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ret i8* getelementptr (i8* inttoptr (i32 0 to i8*), i32 -1)
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}
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define i1* @hoo1() nounwind {
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ret i1* getelementptr (i1* inttoptr (i32 0 to i1*), i32 -1)
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}
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