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db672f1bc8
Listing all of the attributes for the callee of a call/invoke instruction is way too much and makes the IR unreadable. Use references to attributes instead. llvm-svn: 175877
81 lines
3.3 KiB
LLVM
81 lines
3.3 KiB
LLVM
; RUN: opt -S -scalarrepl-ssa < %s | FileCheck %s
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; rdar://10589171
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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-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.foo = type { i32, i32 }
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@.str = private unnamed_addr constant [6 x i8] c"x=%d\0A\00", align 1
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define i32 @main(i32 %argc, i8** nocapture %argv) nounwind uwtable {
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entry:
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%f = alloca %struct.foo, align 4
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%x.i = getelementptr inbounds %struct.foo* %f, i64 0, i32 0
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store i32 1, i32* %x.i, align 4
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%y.i = getelementptr inbounds %struct.foo* %f, i64 0, i32 1
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br label %while.cond.i
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; CHECK: while.cond.i:
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; CHECK-NEXT: %tmp = phi i32 [ 1, %entry ], [ %tmp2, %while.cond.backedge.i ]
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; CHECK-NEXT: %pos.0.i = phi i32 [ 1, %entry ], [ %xtmp.i, %while.cond.backedge.i ]
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; CHECK-NEXT: %left.0.i = phi i32 [ 1, %entry ], [ %dec.i, %while.cond.backedge.i ]
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; CHECK-NOT: phi
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while.cond.i: ; preds = %while.cond.backedge.i, %entry
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%tmp = phi i32 [ 1, %entry ], [ %tmp2, %while.cond.backedge.i ]
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%pos.0.i = phi i32 [ 1, %entry ], [ %xtmp.i, %while.cond.backedge.i ]
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%left.0.i = phi i32 [ 1, %entry ], [ %dec.i, %while.cond.backedge.i ]
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%cmp.i = icmp sgt i32 %left.0.i, 0
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br i1 %cmp.i, label %while.body.i, label %while.cond.i.func.exit_crit_edge
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while.cond.i.func.exit_crit_edge: ; preds = %while.cond.i
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br label %func.exit
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while.body.i: ; preds = %while.cond.i
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%dec.i = add nsw i32 %left.0.i, -1
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switch i32 1, label %while.body.i.func.exit_crit_edge [
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i32 0, label %while.cond.backedge.i
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i32 1, label %sw.bb.i
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]
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while.body.i.func.exit_crit_edge: ; preds = %while.body.i
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br label %func.exit
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sw.bb.i: ; preds = %while.body.i
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%cmp2.i = icmp eq i32 %tmp, 1
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br i1 %cmp2.i, label %if.then.i, label %if.end.i
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if.then.i: ; preds = %sw.bb.i
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store i32 %pos.0.i, i32* %x.i, align 4
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br label %if.end.i
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; CHECK: if.end.i:
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; CHECK-NEXT: %tmp1 = phi i32 [ %pos.0.i, %if.then.i ], [ %tmp, %sw.bb.i ]
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; CHECK-NOT: phi
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if.end.i: ; preds = %if.then.i, %sw.bb.i
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%tmp1 = phi i32 [ %pos.0.i, %if.then.i ], [ %tmp, %sw.bb.i ]
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store i32 %tmp1, i32* %y.i, align 4
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br label %while.cond.backedge.i
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; CHECK: while.cond.backedge.i:
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; CHECK-NEXT: %tmp2 = phi i32 [ %tmp1, %if.end.i ], [ %tmp, %while.body.i ]
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; CHECK-NOT: phi
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while.cond.backedge.i: ; preds = %if.end.i, %while.body.i
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%tmp2 = phi i32 [ %tmp1, %if.end.i ], [ %tmp, %while.body.i ]
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%xtmp.i = add i32 %pos.0.i, 1
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br label %while.cond.i
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; CHECK: func.exit:
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; CHECK-NOT: load
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; CHECK: %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([6 x i8]* @.str, i64 0, i64 0), i32 %tmp) [[NUW:#[0-9]+]]
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func.exit: ; preds = %while.body.i.func.exit_crit_edge, %while.cond.i.func.exit_crit_edge
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%tmp3 = load i32* %x.i, align 4
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%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([6 x i8]* @.str, i64 0, i64 0), i32 %tmp3) nounwind
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ret i32 0
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}
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declare i32 @printf(i8* nocapture, ...) nounwind
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; CHECK: attributes #0 = { nounwind uwtable }
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; CHECK: attributes [[NUW]] = { nounwind }
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