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13 lines
460 B
LLVM
13 lines
460 B
LLVM
; RUN: opt -S -demanded-bits -analyze < %s | FileCheck %s
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; RUN: opt -S -disable-output -passes="print<demanded-bits>" < %s 2>&1 | FileCheck %s
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; CHECK-DAG: DemandedBits: 0xff for %1 = add nsw i32 %a, 5
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; CHECK-DAG: DemandedBits: 0xff for %3 = trunc i32 %2 to i8
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; CHECK-DAG: DemandedBits: 0xff for %2 = mul nsw i32 %1, %b
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define i8 @test_mul(i32 %a, i32 %b) {
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%1 = add nsw i32 %a, 5
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%2 = mul nsw i32 %1, %b
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%3 = trunc i32 %2 to i8
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ret i8 %3
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}
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