reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49

; RUN: opt < %s -simplifycfg -S | FileCheck %s

define i32 @foo(i32 %x) optforfuzzing {
entry:
  %x.addr = alloca i32, align 4
  store i32 %x, i32* %x.addr, align 4
  %0 = load i32, i32* %x.addr, align 4
  %cmp = icmp sgt i32 %0, 16
  br i1 %cmp, label %land.rhs, label %land.end

land.rhs:
  %1 = load i32, i32* %x.addr, align 4
  %cmp1 = icmp slt i32 %1, 32
  br label %land.end

land.end:
  %2 = phi i1 [ false, %entry ], [ %cmp1, %land.rhs ]
  %conv = zext i1 %2 to i32
  ret i32 %conv

; CHECK-LABEL: define i32 @foo(i32 %x)
; CHECK: br i1 %cmp, label %land.rhs, label %land.end
; CHECK-LABEL: land.rhs:
; CHECK: br label %land.end
; CHECK-LABEL: land.end:
; CHECK: phi {{.*}} %entry {{.*}} %land.rhs
}

define i32 @bar(i32 %x) {
entry:
  %x.addr = alloca i32, align 4
  store i32 %x, i32* %x.addr, align 4
  %0 = load i32, i32* %x.addr, align 4
  %cmp = icmp sgt i32 %0, 16
  br i1 %cmp, label %land.rhs, label %land.end

land.rhs:
  %1 = load i32, i32* %x.addr, align 4
  %cmp1 = icmp slt i32 %1, 32
  br label %land.end

land.end:
  %2 = phi i1 [ false, %entry ], [ %cmp1, %land.rhs ]
  %conv = zext i1 %2 to i32
  ret i32 %conv

; CHECK-LABEL: define i32 @bar(i32 %x)
; CHECK-NOT: br
}