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fb5ebe2217
Each shadow only represents data flow that is restricted to its reaching def. Propagating more than that could lead to spurious register liveness, resulting in extra (incorrectly) block live-ins. llvm-svn: 283143
74 lines
2.4 KiB
LLVM
74 lines
2.4 KiB
LLVM
; RUN: llc -march=hexagon -verify-machineinstrs < %s | FileCheck %s
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; Verify that the code compiles successfully.
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; CHECK: call printf
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target triple = "hexagon"
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%struct.0 = type { i32, i32, i32, i32, i32, i32, i32, i32, i32 }
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@.str.13 = external unnamed_addr constant [60 x i8], align 1
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declare void @printf(i8* nocapture readonly, ...) local_unnamed_addr #0
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declare void @danny() local_unnamed_addr #0
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declare zeroext i8 @sammy() local_unnamed_addr #0
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; Function Attrs: nounwind
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define void @main() local_unnamed_addr #0 {
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entry:
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br i1 undef, label %if.then8, label %if.end10
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if.then8: ; preds = %entry
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ret void
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if.end10: ; preds = %entry
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br label %do.body
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do.body: ; preds = %if.end88.do.body_crit_edge, %if.end10
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%cond = icmp eq i32 undef, 0
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br i1 %cond, label %if.end49, label %if.then124
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if.end49: ; preds = %do.body
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br i1 undef, label %if.end55, label %if.then53
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if.then53: ; preds = %if.end49
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call void @danny()
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br label %if.end55
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if.end55: ; preds = %if.then53, %if.end49
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%call76 = call zeroext i8 @sammy() #0
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switch i8 %call76, label %sw.epilog79 [
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i8 0, label %sw.bb77
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i8 3, label %sw.bb77
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]
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sw.bb77: ; preds = %if.end55, %if.end55
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unreachable
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sw.epilog79: ; preds = %if.end55
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br i1 undef, label %if.end88, label %if.then81
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if.then81: ; preds = %sw.epilog79
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%div87 = fdiv float 0.000000e+00, undef
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br label %if.end88
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if.end88: ; preds = %if.then81, %sw.epilog79
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%t.1 = phi float [ undef, %sw.epilog79 ], [ %div87, %if.then81 ]
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%div89 = fdiv float 1.000000e+00, %t.1
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%mul92 = fmul float undef, %div89
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%div93 = fdiv float %mul92, 1.000000e+06
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%conv107 = fpext float %div93 to double
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call void (i8*, ...) @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.13, i32 0, i32 0), double %conv107, double undef, i64 undef, i32 undef) #0
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br i1 undef, label %if.end88.do.body_crit_edge, label %if.then124
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if.end88.do.body_crit_edge: ; preds = %if.end88
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br label %do.body
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if.then124: ; preds = %if.end88, %do.body
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unreachable
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}
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attributes #0 = { nounwind }
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