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19 lines
628 B
LLVM
19 lines
628 B
LLVM
; RUN: %swift-llvm-opt -swift-aa -gvn %s | %FileCheck %s
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target datalayout = "e-p:64:64:64-S128-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f128:128:128-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-macosx10.9"
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declare void @swift_retain(i8 *) nounwind
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; CHECK-LABEL: define{{( protected)?}} i8 @test_eliminate_loads_over_retain(i8*) {
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; CHECK: load
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; CHECK-NOT: load
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define i8 @test_eliminate_loads_over_retain(i8*) {
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entry:
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%1 = load i8, i8* %0
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tail call void @swift_retain(i8* %0)
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%2 = load i8, i8* %0
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%3 = add i8 %1, %2
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ret i8 %3
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}
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