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1; RUN: opt -S -passes=kcfi %s | FileCheck --check-prefixes=CHECK,NOARM %s2; RUN: %if arm-registered-target %{ opt -S -passes=kcfi -mtriple=thumbv7m-unknown-linux-gnu %s | FileCheck --check-prefixes=CHECK,ARM %s %}3 4; CHECK-LABEL: define void @f1(5define void @f1(ptr noundef %x) {6 ; ARM: %[[#FINT:]] = ptrtoint ptr %x to i327 ; ARM-NEXT: %[[#FAND:]] = and i32 %[[#FINT]], -28 ; ARM-NEXT: %[[#FPTR:]] = inttoptr i32 %[[#FAND]] to ptr9 ; ARM-NEXT: %[[#GEPI:]] = getelementptr inbounds i32, ptr %[[#FPTR]], i32 -110 ; NOARM: %[[#GEPI:]] = getelementptr inbounds i32, ptr %x, i32 -111 ; CHECK-NEXT: %[[#LOAD:]] = load i32, ptr %[[#GEPI]], align 412 ; CHECK-NEXT: %[[#ICMP:]] = icmp ne i32 %[[#LOAD]], 1234567813 ; CHECK-NEXT: br i1 %[[#ICMP]], label %[[#TRAP:]], label %[[#CALL:]], !prof ![[#WEIGHTS:]]14 ; CHECK: [[#TRAP]]:15 ; CHECK-NEXT: call void @llvm.debugtrap()16 ; CHECK-NEXT: br label %[[#CALL]]17 ; CHECK: [[#CALL]]:18 ; CHECK-NEXT: call void %x()19 ; CHECK-NOT: [ "kcfi"(i32 12345678) ]20 call void %x() [ "kcfi"(i32 12345678) ]21 ret void22}23 24!llvm.module.flags = !{!0}25!0 = !{i32 4, !"kcfi", i32 1}26; CHECK: ![[#WEIGHTS]] = !{!"branch_weights", i32 1, i32 1048575}27