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19 lines
443 B
LLVM
19 lines
443 B
LLVM
; RUN: llc -mtriple arm64-ios- %s -o - | FileCheck %s
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; Check the -8 constant is shrunk if there are multiple users of the AND instruction.
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; CHECK-LABEL: _test:
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; CHECK: and x0, x0, #0xfffffff8
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; CHECK-NEXT: add x19, x0, #10
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; CHECK-NEXT: bl _user
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define i64 @test(i32 %a) {
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%ext = zext i32 %a to i64
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%v1 = and i64 %ext, -8
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%v2 = add i64 %v1, 10
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call void @user(i64 %v1)
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ret i64 %v2
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}
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declare void @user(i64)
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