; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=x86_64-unknown-unknown -x86-early-ifcvt -debug-only=early-ifcvt < %s 2>&1 | FileCheck %s ; REQUIRES: asserts ; This test case ensures that machine trace metrics properly calculates ; instructions heights and the trace's critical path for the entry block when ; MinInstr strategy is used. The behavior is demonstrated on early if conversion ; pass. ; CHECK: TBB: MinInstr trace %bb.0 --> %bb.0 --> %bb.2: 8 instrs. 30 cycles. ; CHECK: %bb.0 ; CHECK: -> %bb.2 ; CHECK: FBB: MinInstr trace %bb.0 --> %bb.1 --> %bb.2: 10 instrs. 32 cycles. ; CHECK: %bb.1 <- %bb.0 ; CHECK: -> %bb.2 ; CHECK: Resource length 10, minimal critical path 30 ; CHECK: If-converting define i32 @_Z3fooiidd(i32 %a, i32 %b, double %d, double %e) #0 { ; CHECK-LABEL: _Z3fooiidd: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: # kill: def $esi killed $esi def $rsi ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: leal (%rsi,%rdi), %ecx ; CHECK-NEXT: cvttsd2si %xmm0, %eax ; CHECK-NEXT: addl %ecx, %eax ; CHECK-NEXT: cmpl $3, %edi ; CHECK-NEXT: cmovll %ecx, %eax ; CHECK-NEXT: cvttsd2si %xmm1, %ecx ; CHECK-NEXT: cltd ; CHECK-NEXT: idivl %ecx ; CHECK-NEXT: retq entry: %add = add nsw i32 %b, %a %cmp = icmp sgt i32 %a, 2 br i1 %cmp, label %if.then, label %if.end if.then: %conv = fptosi double %d to i32 %add1 = add nsw i32 %add, %conv br label %if.end if.end: %tmp.0 = phi i32 [ %add1, %if.then ], [ %add, %entry ] %conv2 = fptosi double %e to i32 %div = sdiv i32 %tmp.0, %conv2 ret i32 %div } attributes #0 = { "tune-cpu"="generic" }