; CHECK-NOT: cmp
; CHECK: b.lt
entry:
- %0 = load i32* @a, align 4
+ %0 = load i32, i32* @a, align 4
%cmp = icmp sgt i32 %0, 10
br i1 %cmp, label %land.lhs.true, label %lor.lhs.false
land.lhs.true: ; preds = %entry
- %1 = load i32* @b, align 4
- %2 = load i32* @c, align 4
+ %1 = load i32, i32* @b, align 4
+ %2 = load i32, i32* @c, align 4
%cmp1 = icmp eq i32 %1, %2
br i1 %cmp1, label %return, label %land.lhs.true3
br i1 %cmp2, label %land.lhs.true3, label %if.end
land.lhs.true3: ; preds = %lor.lhs.false, %land.lhs.true
- %3 = load i32* @b, align 4
- %4 = load i32* @d, align 4
+ %3 = load i32, i32* @b, align 4
+ %4 = load i32, i32* @d, align 4
%cmp4 = icmp eq i32 %3, %4
br i1 %cmp4, label %return, label %if.end
; CHECK-NOT: cmp
; CHECK: b.ge
entry:
- %0 = load i32* @a, align 4
+ %0 = load i32, i32* @a, align 4
%cmp = icmp sgt i32 %0, 5
br i1 %cmp, label %land.lhs.true, label %lor.lhs.false
land.lhs.true: ; preds = %entry
- %1 = load i32* @b, align 4
- %2 = load i32* @c, align 4
+ %1 = load i32, i32* @b, align 4
+ %2 = load i32, i32* @c, align 4
%cmp1 = icmp eq i32 %1, %2
br i1 %cmp1, label %return, label %if.end
br i1 %cmp2, label %land.lhs.true3, label %if.end
land.lhs.true3: ; preds = %lor.lhs.false
- %3 = load i32* @b, align 4
- %4 = load i32* @d, align 4
+ %3 = load i32, i32* @b, align 4
+ %4 = load i32, i32* @d, align 4
%cmp4 = icmp eq i32 %3, %4
br i1 %cmp4, label %return, label %if.end
; CHECK-NOT: cmp
; CHECK: b.gt
entry:
- %0 = load i32* @a, align 4
+ %0 = load i32, i32* @a, align 4
%cmp = icmp slt i32 %0, 5
br i1 %cmp, label %land.lhs.true, label %lor.lhs.false
land.lhs.true: ; preds = %entry
- %1 = load i32* @b, align 4
- %2 = load i32* @c, align 4
+ %1 = load i32, i32* @b, align 4
+ %2 = load i32, i32* @c, align 4
%cmp1 = icmp eq i32 %1, %2
br i1 %cmp1, label %return, label %land.lhs.true3
br i1 %cmp2, label %land.lhs.true3, label %if.end
land.lhs.true3: ; preds = %lor.lhs.false, %land.lhs.true
- %3 = load i32* @b, align 4
- %4 = load i32* @d, align 4
+ %3 = load i32, i32* @b, align 4
+ %4 = load i32, i32* @d, align 4
%cmp4 = icmp eq i32 %3, %4
br i1 %cmp4, label %return, label %if.end
; CHECK-NOT: cmp
; CHECK: b.le
entry:
- %0 = load i32* @a, align 4
+ %0 = load i32, i32* @a, align 4
%cmp = icmp slt i32 %0, 5
br i1 %cmp, label %land.lhs.true, label %lor.lhs.false
land.lhs.true: ; preds = %entry
- %1 = load i32* @b, align 4
- %2 = load i32* @c, align 4
+ %1 = load i32, i32* @b, align 4
+ %2 = load i32, i32* @c, align 4
%cmp1 = icmp eq i32 %1, %2
br i1 %cmp1, label %return, label %if.end
br i1 %cmp2, label %land.lhs.true3, label %if.end
land.lhs.true3: ; preds = %lor.lhs.false
- %3 = load i32* @b, align 4
- %4 = load i32* @d, align 4
+ %3 = load i32, i32* @b, align 4
+ %4 = load i32, i32* @d, align 4
%cmp4 = icmp eq i32 %3, %4
br i1 %cmp4, label %return, label %if.end
; CHECK-NOT: cmn
; CHECK: b.ge
entry:
- %0 = load i32* @a, align 4
+ %0 = load i32, i32* @a, align 4
%cmp = icmp sgt i32 %0, -5
br i1 %cmp, label %land.lhs.true, label %lor.lhs.false
land.lhs.true: ; preds = %entry
- %1 = load i32* @b, align 4
- %2 = load i32* @c, align 4
+ %1 = load i32, i32* @b, align 4
+ %2 = load i32, i32* @c, align 4
%cmp1 = icmp eq i32 %1, %2
br i1 %cmp1, label %return, label %if.end
br i1 %cmp2, label %land.lhs.true3, label %if.end
land.lhs.true3: ; preds = %lor.lhs.false
- %3 = load i32* @b, align 4
- %4 = load i32* @d, align 4
+ %3 = load i32, i32* @b, align 4
+ %4 = load i32, i32* @d, align 4
%cmp4 = icmp eq i32 %3, %4
br i1 %cmp4, label %return, label %if.end
; CHECK-NOT: cmn
; CHECK: b.le
entry:
- %0 = load i32* @a, align 4
+ %0 = load i32, i32* @a, align 4
%cmp = icmp slt i32 %0, -5
br i1 %cmp, label %land.lhs.true, label %lor.lhs.false
land.lhs.true: ; preds = %entry
- %1 = load i32* @b, align 4
- %2 = load i32* @c, align 4
+ %1 = load i32, i32* @b, align 4
+ %2 = load i32, i32* @c, align 4
%cmp1 = icmp eq i32 %1, %2
br i1 %cmp1, label %return, label %if.end
br i1 %cmp2, label %land.lhs.true3, label %if.end
land.lhs.true3: ; preds = %lor.lhs.false
- %3 = load i32* @b, align 4
- %4 = load i32* @d, align 4
+ %3 = load i32, i32* @b, align 4
+ %4 = load i32, i32* @d, align 4
%cmp4 = icmp eq i32 %3, %4
br i1 %cmp4, label %return, label %if.end
; no checks for this case, it just should be processed without errors
define void @combine_non_adjacent_cmp_br(%struct.Struct* nocapture readonly %hdCall) #0 {
entry:
- %size = getelementptr inbounds %struct.Struct* %hdCall, i64 0, i32 0
- %0 = load i64* %size, align 8
+ %size = getelementptr inbounds %struct.Struct, %struct.Struct* %hdCall, i64 0, i32 0
+ %0 = load i64, i64* %size, align 8
br label %land.rhs
land.rhs:
%rp.06 = phi i64 [ %0, %entry ], [ %sub, %while.body ]
- %1 = load i64* inttoptr (i64 24 to i64*), align 8
+ %1 = load i64, i64* inttoptr (i64 24 to i64*), align 8
%cmp2 = icmp sgt i64 %1, 0
br i1 %cmp2, label %while.body, label %while.end
while.body:
- %2 = load %struct.Struct** @glob, align 8
+ %2 = load %struct.Struct*, %struct.Struct** @glob, align 8
%call = tail call %struct.Struct* @Update(%struct.Struct* %2) #2
%sub = add nsw i64 %rp.06, -2
%cmp = icmp slt i64 %0, %rp.06
; CHECK: cmp
; CHECK: b.gt
entry:
- %0 = load i32* @a, align 4
+ %0 = load i32, i32* @a, align 4
%cmp4 = icmp slt i32 %0, -1
br i1 %cmp4, label %while.body.preheader, label %while.end
br i1 %cmp, label %while.body, label %while.cond.while.end_crit_edge
while.cond.while.end_crit_edge: ; preds = %while.body
- %.pre = load i32* @a, align 4
+ %.pre = load i32, i32* @a, align 4
br label %while.end
while.end: ; preds = %while.cond.while.end_crit_edge, %entry
br i1 %cmp1, label %land.lhs.true, label %if.end
land.lhs.true: ; preds = %while.end
- %2 = load i32* @b, align 4
- %3 = load i32* @d, align 4
+ %2 = load i32, i32* @b, align 4
+ %3 = load i32, i32* @d, align 4
%cmp2 = icmp eq i32 %2, %3
br i1 %cmp2, label %return, label %if.end
; CHECK: cmn
; CHECK: b.lt
entry:
- %0 = load i32* @a, align 4
+ %0 = load i32, i32* @a, align 4
%cmp4 = icmp slt i32 %0, 1
br i1 %cmp4, label %while.body.preheader, label %while.end
br label %while.end
while.end: ; preds = %while.end.loopexit, %entry
- %1 = load i32* @c, align 4
+ %1 = load i32, i32* @c, align 4
%cmp1 = icmp sgt i32 %1, -3
br i1 %cmp1, label %land.lhs.true, label %if.end
land.lhs.true: ; preds = %while.end
- %2 = load i32* @b, align 4
- %3 = load i32* @d, align 4
+ %2 = load i32, i32* @b, align 4
+ %3 = load i32, i32* @d, align 4
%cmp2 = icmp eq i32 %2, %3
br i1 %cmp2, label %return, label %if.end
%retval.0 = phi i32 [ 0, %if.end ], [ 123, %land.lhs.true ]
ret i32 %retval.0
}
+
+; Test in the following case, we don't hit 'cmp' and trigger a false positive
+; cmp w19, #0
+; cinc w0, w19, gt
+; ...
+; fcmp d8, #0.0
+; b.gt .LBB0_5
+
+define i32 @fcmpri(i32 %argc, i8** nocapture readonly %argv) {
+
+; CHECK-LABEL: fcmpri:
+; CHECK: cmp w0, #2
+; CHECK: b.lt .LBB9_3
+; CHECK-NOT: cmp w0, #1
+; CHECK-NOT: b.le .LBB9_3
+
+; CHECK-LABEL-DAG: .LBB9_3
+; CHECK: cmp w19, #0
+; CHECK: fcmp d8, #0.0
+; CHECK-NOT: cmp w19, #1
+; CHECK-NOT: b.ge .LBB9_5
+
+entry:
+ %cmp = icmp sgt i32 %argc, 1
+ br i1 %cmp, label %land.lhs.true, label %if.end
+
+land.lhs.true: ; preds = %entry
+ %arrayidx = getelementptr inbounds i8*, i8** %argv, i64 1
+ %0 = load i8*, i8** %arrayidx, align 8
+ %cmp1 = icmp eq i8* %0, null
+ br i1 %cmp1, label %if.end, label %return
+
+if.end: ; preds = %land.lhs.true, %entry
+ %call = call i32 @zoo(i32 1)
+ %call2 = call double @yoo(i32 -1)
+ %cmp4 = icmp sgt i32 %call, 0
+ %add = zext i1 %cmp4 to i32
+ %cond = add nsw i32 %add, %call
+ %call7 = call i32 @xoo(i32 %cond, i32 2)
+ %cmp9 = fcmp ogt double %call2, 0.000000e+00
+ br i1 %cmp9, label %cond.end14, label %cond.false12
+
+cond.false12: ; preds = %if.end
+ %sub = fadd fast double %call2, -1.000000e+00
+ br label %cond.end14
+
+cond.end14: ; preds = %if.end, %cond.false12
+ %cond15 = phi double [ %sub, %cond.false12 ], [ %call2, %if.end ]
+ %call16 = call i32 @woo(double %cond15, double -2.000000e+00)
+ br label %return
+
+return: ; preds = %land.lhs.true, %cond.end14
+ %retval.0 = phi i32 [ 4, %cond.end14 ], [ 3, %land.lhs.true ]
+ ret i32 %retval.0
+}
+
+declare i32 @zoo(i32)
+
+declare double @yoo(i32)
+
+declare i32 @xoo(i32, i32)
+
+declare i32 @woo(double, double)