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Otherwise, in some extreme test case, very long names are created and the compiler consumes large amount of memory. Size limit is set to a relatively high value not to disturb debugging. Compiler flag -non-global-value-max-name-size=<value> can be used to customize the size. Differential Revision: https://reviews.llvm.org/D41296 llvm-svn: 321886
19 lines
677 B
LLVM
19 lines
677 B
LLVM
; Check the size of generated variable when no option is set
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; RUN: opt -S %s -O2 -o - | FileCheck -check-prefix=CHECK-LONG %s
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; CHECK-LONG: %{{[a-z]{4}[a-z]+}}
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; Then check we correctly cap the size of newly generated non-global values name
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; Force the size to be small so that the check works on release and debug build
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; RUN: opt -S %s -O2 -o - -non-global-value-max-name-size=0 | FileCheck -check-prefix=CHECK-SHORT %s
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; RUN: opt -S %s -O2 -o - -non-global-value-max-name-size=1 | FileCheck -check-prefix=CHECK-SHORT %s
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; CHECK-SHORT-NOT: %{{[a-z][a-z]+}}
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define i32 @f(i32 %a, i32 %b) {
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%c = add i32 %a, %b
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%d = add i32 %c, %a
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%e = add i32 %d, %b
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ret i32 %e
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}
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