1; RUN: opt -passes="ipsccp<func-spec>" -S < %s | \ 2; RUN: FileCheck %s --check-prefixes=COMMON,DISABLED 3; RUN: opt -passes="ipsccp<func-spec>" -force-specialization -S < %s | \ 4; RUN: FileCheck %s --check-prefixes=COMMON,FORCE 5 6; Test for specializing a constant global. 7 8target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 9 10@A = external dso_local constant i32, align 4 11@B = external dso_local constant i32, align 4 12 13define dso_local i32 @bar(i32 %x, i32 %y) { 14; COMMON-LABEL: @bar 15; FORCE: %call = call i32 @foo.specialized.1(i32 %x, ptr @A) 16; FORCE: %call1 = call i32 @foo.specialized.2(i32 %y, ptr @B) 17; DISABLED-NOT: %call1 = call i32 @foo.specialized.1( 18entry: 19 %tobool = icmp ne i32 %x, 0 20 br i1 %tobool, label %if.then, label %if.else 21 22if.then: 23 %call = call i32 @foo(i32 %x, ptr @A) 24 br label %return 25 26if.else: 27 %call1 = call i32 @foo(i32 %y, ptr @B) 28 br label %return 29 30return: 31 %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ] 32 ret i32 %retval.0 33} 34 35; FORCE-NOT: define internal i32 @foo( 36; 37; FORCE: define internal i32 @foo.specialized.1(i32 %x, ptr %b) { 38; FORCE-NEXT: entry: 39; FORCE-NEXT: %0 = load i32, ptr @A, align 4 40; FORCE-NEXT: %add = add nsw i32 %x, %0 41; FORCE-NEXT: ret i32 %add 42; FORCE-NEXT: } 43; 44; FORCE: define internal i32 @foo.specialized.2(i32 %x, ptr %b) { 45; FORCE-NEXT: entry: 46; FORCE-NEXT: %0 = load i32, ptr @B, align 4 47; FORCE-NEXT: %add = add nsw i32 %x, %0 48; FORCE-NEXT: ret i32 %add 49; FORCE-NEXT: } 50; 51define internal i32 @foo(i32 %x, ptr %b) { 52entry: 53 %0 = load i32, ptr %b, align 4 54 %add = add nsw i32 %x, %0 55 ret i32 %add 56} 57