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- ; Base should not be i*3, it should be i*2.
- ; RUN: opt < %s -loop-reduce -S | \
- ; RUN: not grep "mul.*%i, 3"
- ; Indvar should not start at zero:
- ; RUN: opt < %s -loop-reduce -S | \
- ; RUN: not grep "phi i32 .* 0"
- ; END.
- ; mul uint %i, 3
- target datalayout = "e-p:32:32-n32"
- target triple = "i686-apple-darwin8"
- @flags2 = external global [8193 x i8], align 32 ; <[8193 x i8]*> [#uses=1]
- define void @foo(i32 %k, i32 %i.s) {
- entry:
- %i = bitcast i32 %i.s to i32 ; <i32> [#uses=2]
- %k_addr.012 = shl i32 %i.s, 1 ; <i32> [#uses=1]
- %tmp14 = icmp sgt i32 %k_addr.012, 8192 ; <i1> [#uses=1]
- br i1 %tmp14, label %return, label %bb.preheader
- bb.preheader: ; preds = %entry
- %tmp. = shl i32 %i, 1 ; <i32> [#uses=1]
- br label %bb
- bb: ; preds = %bb, %bb.preheader
- %indvar = phi i32 [ %indvar.next, %bb ], [ 0, %bb.preheader ] ; <i32> [#uses=2]
- %tmp.15 = mul i32 %indvar, %i ; <i32> [#uses=1]
- %tmp.16 = add i32 %tmp.15, %tmp. ; <i32> [#uses=2]
- %k_addr.0.0 = bitcast i32 %tmp.16 to i32 ; <i32> [#uses=1]
- %gep.upgrd.1 = zext i32 %tmp.16 to i64 ; <i64> [#uses=1]
- %tmp = getelementptr [8193 x i8], [8193 x i8]* @flags2, i32 0, i64 %gep.upgrd.1 ; <i8*> [#uses=1]
- store i8 0, i8* %tmp
- %k_addr.0 = add i32 %k_addr.0.0, %i.s ; <i32> [#uses=1]
- %tmp.upgrd.2 = icmp sgt i32 %k_addr.0, 8192 ; <i1> [#uses=1]
- %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
- br i1 %tmp.upgrd.2, label %return.loopexit, label %bb
- return.loopexit: ; preds = %bb
- br label %return
- return: ; preds = %return.loopexit, %entry
- ret void
- }
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