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f8d0578e4c
a hoisted intermediate result if the intermediate result isn't an Instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100884 91177308-0d34-0410-b5e6-96231b3b80d8
38 lines
1.4 KiB
LLVM
38 lines
1.4 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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target triple = "x86_64-unknown-linux-gnu"
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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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