1; REQUIRES: x86_64-linux 2; RUN: opt < %s -codegenprepare -mtriple=x86_64 -S -o %t 3; RUN: FileCheck %s < %t --check-prefix=IR 4; RUN: llc -mtriple=x86_64-- -stop-after=finalize-isel %t -o - | FileCheck %s --check-prefix=MIR 5 6define internal i32 @arc_compare(i1 %c) { 7entry: 8 %0 = load i64, ptr undef, align 8 9 br i1 %c, label %return, label %if.end 10 11if.end: ; preds = %entry 12;; Check pseudo probes are next to each other at the beginning of this block. 13; IR-label: if.end 14; IR: call void @llvm.pseudoprobe(i64 5116412291814990879, i64 1, i32 0, i64 -1) 15; IR: call void @llvm.pseudoprobe(i64 5116412291814990879, i64 3, i32 0, i64 -1) 16 call void @llvm.pseudoprobe(i64 5116412291814990879, i64 1, i32 0, i64 -1) 17 %1 = load i16, ptr undef, align 8 18 call void @llvm.pseudoprobe(i64 5116412291814990879, i64 3, i32 0, i64 -1) 19 %2 = and i16 %1, 16 20 %3 = icmp eq i16 %2, 0 21;; Check the load-and-cmp sequence is fold into a test instruction. 22; MIR-label: bb.1.if.end 23; MIR: %[[#REG:]]:gr64 = IMPLICIT_DEF 24; MIR: TEST8mi killed %[[#REG]], 1, $noreg, 0, $noreg, 16 25; MIR: JCC_1 26 br i1 %3, label %return, label %if.end6 27 28if.end6: ; preds = %if.end 29 call void @llvm.pseudoprobe(i64 5116412291814990879, i64 5, i32 0, i64 -1) 30 br label %return 31 32return: ; preds = %if.end6, %if.end, %entry 33 ret i32 undef 34} 35 36; Function Attrs: inaccessiblememonly nounwind willreturn 37declare void @llvm.pseudoprobe(i64, i64, i32, i64) #0 38 39attributes #0 = { inaccessiblememonly nounwind willreturn } 40