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9268d67079
true or false as its exit condition. These are usually eliminated by SimplifyCFG, but the may be left around during a pass which wishes to preserve the CFG. llvm-svn: 96683
40 lines
1.4 KiB
LLVM
40 lines
1.4 KiB
LLVM
; RUN: opt < %s -indvars -S > %t
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; RUN: grep {icmp ugt i8\\\*} %t | count 1
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; RUN: grep {icmp sgt i8\\\*} %t | count 1
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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%struct.CKenCodeCodec = type <{ i8 }>
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define void @foo(i8* %str1Ptr, i8* %str2Ptr, i8* %inLastBytePtr) nounwind {
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entry:
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%0 = icmp ult i8* %str2Ptr, %str1Ptr ; <i1> [#uses=1]
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%str2Ptr_addr.0 = select i1 %0, i8* %str1Ptr, i8* %str2Ptr ; <i8*> [#uses=1]
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br label %bb2
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bb2: ; preds = %bb2, %entry
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%str2Ptr_addr.1 = phi i8* [ %str2Ptr_addr.0, %entry ], [ %1, %bb2 ] ; <i8*> [#uses=1]
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%1 = getelementptr i8* %str2Ptr_addr.1, i64 1 ; <i8*> [#uses=2]
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%2 = icmp ult i8* %1, %inLastBytePtr ; <i1> [#uses=0]
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br i1 undef, label %bb2, label %return
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return: ; preds = %bb2
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ret void
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}
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define void @sfoo(i8* %str1Ptr, i8* %str2Ptr, i8* %inLastBytePtr) nounwind {
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entry:
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%0 = icmp slt i8* %str2Ptr, %str1Ptr ; <i1> [#uses=1]
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%str2Ptr_addr.0 = select i1 %0, i8* %str1Ptr, i8* %str2Ptr ; <i8*> [#uses=1]
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br label %bb2
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bb2: ; preds = %bb2, %entry
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%str2Ptr_addr.1 = phi i8* [ %str2Ptr_addr.0, %entry ], [ %1, %bb2 ] ; <i8*> [#uses=1]
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%1 = getelementptr i8* %str2Ptr_addr.1, i64 1 ; <i8*> [#uses=2]
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%2 = icmp slt i8* %1, %inLastBytePtr ; <i1> [#uses=0]
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br i1 undef, label %bb2, label %return
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return: ; preds = %bb2
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ret void
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}
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