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31 lines
1.0 KiB
LLVM
31 lines
1.0 KiB
LLVM
; Test that the ToAsciiOptimizer works correctly
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; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | \
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; RUN: not grep {call.*@ffs}
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@non_const = external global i32 ; <i32*> [#uses=1]
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declare i32 @ffs(i32)
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declare i32 @ffsl(i32)
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declare i32 @ffsll(i64)
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define i32 @main() {
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%arg = load i32* @non_const ; <i32> [#uses=1]
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%val0 = call i32 @ffs( i32 %arg ) ; <i32> [#uses=1]
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%val1 = call i32 @ffs( i32 1 ) ; <i32> [#uses=1]
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%val2 = call i32 @ffs( i32 2048 ) ; <i32> [#uses=1]
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%val3 = call i32 @ffsl( i32 65536 ) ; <i32> [#uses=1]
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%val4 = call i32 @ffsll( i64 1024 ) ; <i32> [#uses=1]
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%val5 = call i32 @ffsll( i64 17179869184 ) ; <i32> [#uses=1]
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%val6 = call i32 @ffsll( i64 1152921504606846976 ) ; <i32> [#uses=1]
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%rslt1 = add i32 %val1, %val2 ; <i32> [#uses=1]
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%rslt2 = add i32 %val3, %val4 ; <i32> [#uses=1]
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%rslt3 = add i32 %val5, %val6 ; <i32> [#uses=1]
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%rslt4 = add i32 %rslt1, %rslt2 ; <i32> [#uses=1]
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%rslt5 = add i32 %rslt4, %rslt3 ; <i32> [#uses=2]
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%rslt6 = add i32 %rslt5, %val0 ; <i32> [#uses=0]
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ret i32 %rslt5
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}
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