1 ; RUN: opt -S -licm < %s | FileCheck %s --check-prefix=IR-AFTER-TRANSFORM 2 ; RUN: opt -analyze -scalar-evolution -licm -scalar-evolution < %s | FileCheck %s --check-prefix=SCEV-EXPRS 3 4 declare void @clobber() 5 6 define void @f_0(i1* %loc) { 7 ; IR-AFTER-TRANSFORM-LABEL: @f_0( 8 ; IR-AFTER-TRANSFORM: loop.outer: 9 ; IR-AFTER-TRANSFORM-NEXT: call void @clobber() 10 ; IR-AFTER-TRANSFORM-NEXT: %cond = load i1, i1* %loc 11 ; IR-AFTER-TRANSFORM-NEXT: br label %loop.inner 12 13 ; SCEV-EXPRS: Classifying expressions for: @f_0 14 ; SCEV-EXPRS: Classifying expressions for: @f_0 15 ; SCEV-EXPRS: %cond = load i1, i1* %loc 16 ; SCEV-EXPRS-NEXT: --> {{.*}} LoopDispositions: { %loop.outer: Variant, %loop.inner: Invariant } 17 18 entry: 19 br label %loop.outer 20 21 loop.outer: 22 call void @clobber() 23 br label %loop.inner 24 25 loop.inner: 26 %cond = load i1, i1* %loc 27 br i1 %cond, label %loop.inner, label %leave.inner 28 29 leave.inner: 30 br label %loop.outer 31 } 32