forked from OSchip/llvm-project
67 lines
2.5 KiB
LLVM
67 lines
2.5 KiB
LLVM
; RUN: opt < %s -loop-reduce -S | not grep uglygep
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; LSR shouldn't consider %t8 to be an interesting user of %t6, and it
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; should be able to form pretty GEPs.
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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-n8:16:32:64"
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define void @Z4() nounwind {
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bb:
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br label %bb3
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bb1: ; preds = %bb3
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br i1 undef, label %bb10, label %bb2
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bb2: ; preds = %bb1
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%t = add i64 %t4, 1 ; <i64> [#uses=1]
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br label %bb3
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bb3: ; preds = %bb2, %bb
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%t4 = phi i64 [ %t, %bb2 ], [ 0, %bb ] ; <i64> [#uses=3]
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br label %bb1
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bb10: ; preds = %bb9
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%t7 = icmp eq i64 %t4, 0 ; <i1> [#uses=1]
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%t3 = add i64 %t4, 16 ; <i64> [#uses=1]
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br label %bb14
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bb14: ; preds = %bb14, %bb10
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%t2 = getelementptr inbounds i8* undef, i64 %t4 ; <i8*> [#uses=1]
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store i8 undef, i8* %t2
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%t6 = load float** undef
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%t8 = bitcast float* %t6 to i8* ; <i8*> [#uses=1]
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%t9 = getelementptr inbounds i8* %t8, i64 %t3 ; <i8*> [#uses=1]
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store i8 undef, i8* %t9
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br label %bb14
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}
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define fastcc void @TransformLine() nounwind {
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bb:
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br label %loop0
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loop0: ; preds = %loop0, %bb
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%i0 = phi i32 [ %i0.next, %loop0 ], [ 0, %bb ] ; <i32> [#uses=2]
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%i0.next = add i32 %i0, 1 ; <i32> [#uses=1]
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br i1 false, label %loop0, label %bb0
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bb0: ; preds = %loop0
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br label %loop1
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loop1: ; preds = %bb5, %bb0
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%i1 = phi i32 [ 0, %bb0 ], [ %i1.next, %bb5 ] ; <i32> [#uses=4]
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%t0 = add i32 %i0, %i1 ; <i32> [#uses=1]
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br i1 false, label %bb2, label %bb6
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bb2: ; preds = %loop1
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br i1 true, label %bb6, label %bb5
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bb5: ; preds = %bb2
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%i1.next = add i32 %i1, 1 ; <i32> [#uses=1]
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br i1 true, label %bb6, label %loop1
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bb6: ; preds = %bb5, %bb2, %loop1
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%p8 = phi i32 [ %t0, %bb5 ], [ undef, %loop1 ], [ undef, %bb2 ] ; <i32> [#uses=0]
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%p9 = phi i32 [ undef, %bb5 ], [ %i1, %loop1 ], [ %i1, %bb2 ] ; <i32> [#uses=0]
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unreachable
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}
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