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29ebc2d39f
Summary: DataLayout keeps the string used for its creation. As a side effect it is no longer needed in the Module. This is "almost" NFC, the string is no longer canonicalized, you can't rely on two "equals" DataLayout having the same string returned by getStringRepresentation(). Get rid of DataLayoutPass: the DataLayout is in the Module The DataLayout is "per-module", let's enforce this by not duplicating it more than necessary. One more step toward non-optionality of the DataLayout in the module. Make DataLayout Non-Optional in the Module Module->getDataLayout() will never returns nullptr anymore. Reviewers: echristo Subscribers: resistor, llvm-commits, jholewinski Differential Revision: http://reviews.llvm.org/D7992 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 231270
35 lines
908 B
LLVM
35 lines
908 B
LLVM
; RUN: opt < %s -indvars -S > %t
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; RUN: not grep sext %t
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; RUN: grep phi %t | count 1
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; Provide legal integer types.
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target datalayout = "n8:16:32:64"
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define void @foo(i64* nocapture %x, i32 %n) nounwind {
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entry:
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%tmp102 = icmp sgt i32 %n, 0 ; <i1> [#uses=1]
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br i1 %tmp102, label %bb.nph, label %return
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bb.nph: ; preds = %entry
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br label %bb
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bb: ; preds = %bb7, %bb.nph
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%i.01 = phi i32 [ %tmp6, %bb7 ], [ 0, %bb.nph ] ; <i32> [#uses=3]
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%tmp1 = sext i32 %i.01 to i64 ; <i64> [#uses=1]
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%tmp4 = getelementptr i64, i64* %x, i32 %i.01 ; <i64*> [#uses=1]
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store i64 %tmp1, i64* %tmp4, align 8
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%tmp6 = add i32 %i.01, 1 ; <i32> [#uses=2]
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br label %bb7
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bb7: ; preds = %bb
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%tmp10 = icmp slt i32 %tmp6, %n ; <i1> [#uses=1]
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br i1 %tmp10, label %bb, label %bb7.return_crit_edge
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bb7.return_crit_edge: ; preds = %bb7
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br label %return
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return: ; preds = %bb7.return_crit_edge, %entry
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ret void
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}
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