71 lines
2.3 KiB
LLVM
71 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -function-specialization -force-function-specialization -S < %s | FileCheck %s
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; RUN: opt -function-specialization -force-function-specialization -func-specialization-on-address=0 -S < %s | FileCheck %s
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; RUN: opt -function-specialization -force-function-specialization -func-specialization-on-address=1 -S < %s | FileCheck %s --check-prefix=ON-ADDRESS
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; Global B is not constant. We do not specialise on addresses unless we
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; enable that:
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; ON-ADDRESS: call i32 @foo.1(i32 %x, ptr @A)
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; ON-ADDRESS: call i32 @foo.2(i32 %y, ptr @B)
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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@A = external dso_local constant i32, align 4
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@B = external dso_local global i32, align 4
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define dso_local i32 @bar(i32 %x, i32 %y) {
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; CHECK-LABEL: @bar(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X:%.*]], 0
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; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: [[CALL:%.*]] = call i32 @foo.1(i32 [[X]], ptr @A)
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; CHECK-NEXT: br label [[RETURN:%.*]]
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; CHECK: if.else:
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; CHECK-NEXT: [[CALL1:%.*]] = call i32 @foo(i32 [[Y:%.*]], ptr @B)
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; CHECK-NEXT: br label [[RETURN]]
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; CHECK: return:
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; CHECK-NEXT: [[RETVAL_0:%.*]] = phi i32 [ [[CALL]], [[IF_THEN]] ], [ [[CALL1]], [[IF_ELSE]] ]
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; CHECK-NEXT: ret i32 [[RETVAL_0]]
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;
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entry:
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%tobool = icmp ne i32 %x, 0
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br i1 %tobool, label %if.then, label %if.else
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if.then:
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%call = call i32 @foo(i32 %x, ptr @A)
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br label %return
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if.else:
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%call1 = call i32 @foo(i32 %y, ptr @B)
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br label %return
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return:
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%retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
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ret i32 %retval.0
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}
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define internal i32 @foo(i32 %x, ptr %b) {
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; CHECK-LABEL: define internal i32 @foo(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[B:%.*]], align 4
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; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[X:%.*]], [[TMP0]]
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; CHECK-NEXT: ret i32 [[ADD]]
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;
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entry:
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%0 = load i32, ptr %b, align 4
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%add = add nsw i32 %x, %0
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ret i32 %add
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}
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; CHECK-LABEL: define internal i32 @foo.1(i32 %x, ptr %b) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: %0 = load i32, ptr @A, align 4
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; CHECK-NEXT: %add = add nsw i32 %x, %0
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; CHECK-NEXT: ret i32 %add
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; CHECK-NEXT: }
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; CHECK-NOT: define internal i32 @foo.2(
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