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https://github.com/c64scene-ar/llvm-6502.git
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bf9d6e5c37
This will make it easier to turn on struct-path aware TBAA since the metadata format will change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188944 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1.8 KiB
LLVM
45 lines
1.8 KiB
LLVM
; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 -relocation-model=pic -disable-fp-elim -mcpu=cortex-a8 | FileCheck %s
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; Do not form Thumb2 ldrd / strd if the offset is not multiple of 4.
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; rdar://9133587
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%struct.Outer = type { i32, [2 x %"struct.Outer::Inner"] }
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%"struct.Outer::Inner" = type { i32, i32, i8, i8 }
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@oStruct = external global %struct.Outer, align 4
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define void @main() nounwind {
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; CHECK-LABEL: main:
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; CHECK-NOT: ldrd
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; CHECK: mul
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for.body.lr.ph:
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br label %for.body
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for.body: ; preds = %_Z14printIsNotZeroi.exit17.for.body_crit_edge, %for.body.lr.ph
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%tmp3 = phi i1 [ false, %for.body.lr.ph ], [ %phitmp27, %_Z14printIsNotZeroi.exit17.for.body_crit_edge ]
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%i.022 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %_Z14printIsNotZeroi.exit17.for.body_crit_edge ]
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%x = getelementptr %struct.Outer* @oStruct, i32 0, i32 1, i32 %i.022, i32 0
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%y = getelementptr %struct.Outer* @oStruct, i32 0, i32 1, i32 %i.022, i32 1
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%inc = add i32 %i.022, 1
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%tmp8 = load i32* %x, align 4
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%tmp11 = load i32* %y, align 4
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%mul = mul nsw i32 %tmp11, %tmp8
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%tobool.i14 = icmp eq i32 %mul, 0
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br i1 %tobool.i14, label %_Z14printIsNotZeroi.exit17, label %if.then.i16
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if.then.i16: ; preds = %_Z14printIsNotZeroi.exit
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unreachable
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_Z14printIsNotZeroi.exit17: ; preds = %_Z14printIsNotZeroi.exit
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br label %_Z14printIsNotZeroi.exit17.for.body_crit_edge
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_Z14printIsNotZeroi.exit17.for.body_crit_edge: ; preds = %_Z14printIsNotZeroi.exit17
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%b.phi.trans.insert = getelementptr %struct.Outer* @oStruct, i32 0, i32 1, i32 %inc, i32 3
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%tmp3.pre = load i8* %b.phi.trans.insert, align 1
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%phitmp27 = icmp eq i8 undef, 0
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br label %for.body
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for.end: ; preds = %_Z14printIsNotZeroi.exit17
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ret void
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}
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