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llvm-mirror/test/Transforms/SimplifyCFG/iterative-simplify.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

101 lines
2.9 KiB
LLVM

; RUN: opt < %s -simplifycfg -S | not grep bb17
; PR1786
define i32 @main() {
entry:
%retval = alloca i32, align 4 ; <i32*> [#uses=1]
%i = alloca i32, align 4 ; <i32*> [#uses=7]
%z = alloca i32, align 4 ; <i32*> [#uses=4]
%z16 = alloca i32, align 4 ; <i32*> [#uses=4]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 0, i32* %i
%toBool = icmp ne i8 1, 0 ; <i1> [#uses=1]
br i1 %toBool, label %cond_true, label %cond_false
cond_true: ; preds = %entry
store i32 0, i32* %z
br label %bb
bb: ; preds = %cond_next, %cond_true
%tmp = load i32* %z ; <i32> [#uses=1]
%tmp1 = sub i32 %tmp, 16384 ; <i32> [#uses=1]
store i32 %tmp1, i32* %z
%tmp2 = load i32* %i ; <i32> [#uses=1]
%tmp3 = add i32 %tmp2, 1 ; <i32> [#uses=1]
store i32 %tmp3, i32* %i
%tmp4 = load i32* %i ; <i32> [#uses=1]
%tmp5 = icmp sgt i32 %tmp4, 262144 ; <i1> [#uses=1]
%tmp56 = zext i1 %tmp5 to i8 ; <i8> [#uses=1]
%toBool7 = icmp ne i8 %tmp56, 0 ; <i1> [#uses=1]
br i1 %toBool7, label %cond_true8, label %cond_next
cond_true8: ; preds = %bb
call void @abort( )
unreachable
cond_next: ; preds = %bb
%tmp9 = load i32* %z ; <i32> [#uses=1]
%tmp10 = icmp ne i32 %tmp9, 0 ; <i1> [#uses=1]
%tmp1011 = zext i1 %tmp10 to i8 ; <i8> [#uses=1]
%toBool12 = icmp ne i8 %tmp1011, 0 ; <i1> [#uses=1]
br i1 %toBool12, label %bb, label %bb13
bb13: ; preds = %cond_next
call void @exit( i32 0 )
unreachable
cond_false: ; preds = %entry
%toBool14 = icmp ne i8 1, 0 ; <i1> [#uses=1]
br i1 %toBool14, label %cond_true15, label %cond_false33
cond_true15: ; preds = %cond_false
store i32 0, i32* %z16
br label %bb17
bb17: ; preds = %cond_next27, %cond_true15
%tmp18 = load i32* %z16 ; <i32> [#uses=1]
%tmp19 = sub i32 %tmp18, 16384 ; <i32> [#uses=1]
store i32 %tmp19, i32* %z16
%tmp20 = load i32* %i ; <i32> [#uses=1]
%tmp21 = add i32 %tmp20, 1 ; <i32> [#uses=1]
store i32 %tmp21, i32* %i
%tmp22 = load i32* %i ; <i32> [#uses=1]
%tmp23 = icmp sgt i32 %tmp22, 262144 ; <i1> [#uses=1]
%tmp2324 = zext i1 %tmp23 to i8 ; <i8> [#uses=1]
%toBool25 = icmp ne i8 %tmp2324, 0 ; <i1> [#uses=1]
br i1 %toBool25, label %cond_true26, label %cond_next27
cond_true26: ; preds = %bb17
call void @abort( )
unreachable
cond_next27: ; preds = %bb17
%tmp28 = load i32* %z16 ; <i32> [#uses=1]
%tmp29 = icmp ne i32 %tmp28, 0 ; <i1> [#uses=1]
%tmp2930 = zext i1 %tmp29 to i8 ; <i8> [#uses=1]
%toBool31 = icmp ne i8 %tmp2930, 0 ; <i1> [#uses=1]
br i1 %toBool31, label %bb17, label %bb32
bb32: ; preds = %cond_next27
call void @exit( i32 0 )
unreachable
cond_false33: ; preds = %cond_false
call void @exit( i32 0 )
unreachable
cond_next34: ; No predecessors!
br label %cond_next35
cond_next35: ; preds = %cond_next34
br label %return
return: ; preds = %cond_next35
%retval36 = load i32* %retval ; <i32> [#uses=1]
ret i32 %retval36
}
declare void @abort()
declare void @exit(i32)