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c94da20917
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> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231270 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
1.0 KiB
LLVM
36 lines
1.0 KiB
LLVM
; RUN: opt < %s -loop-reduce -S | grep add | count 2
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; PR 2662
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; Provide legal integer types.
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target datalayout = "n8:16:32:64"
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@g_3 = common global i16 0 ; <i16*> [#uses=2]
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@"\01LC" = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1]
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define void @func_1() nounwind {
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entry:
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br label %bb
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bb: ; preds = %bb, %entry
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%l_2.0.reg2mem.0 = phi i16 [ 0, %entry ], [ %t1, %bb ] ; <i16> [#uses=2]
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%t0 = shl i16 %l_2.0.reg2mem.0, 1 ; <i16>:0 [#uses=1]
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store volatile i16 %t0, i16* @g_3, align 2
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%t1 = add i16 %l_2.0.reg2mem.0, -3 ; <i16>:1 [#uses=2]
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%t2 = icmp slt i16 %t1, 1 ; <i1>:2 [#uses=1]
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br i1 %t2, label %bb, label %return
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return: ; preds = %bb
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ret void
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}
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define i32 @main() nounwind {
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entry:
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tail call void @func_1( ) nounwind
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load volatile i16, i16* @g_3, align 2 ; <i16>:0 [#uses=1]
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zext i16 %0 to i32 ; <i32>:1 [#uses=1]
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tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @"\01LC", i32 0, i32 0), i32 %1 ) nounwind ; <i32>:2 [#uses=0]
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ret i32 0
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}
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declare i32 @printf(i8*, ...) nounwind
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